Allen 60mm Quint Dynamic Block With Becket

Designed for use as a low-friction mainsheet system on sports catamarans, but suitable for many other applications, including backstay tensioning on keelboats.

Allen 20mm Single Tii-On High Load Block

Allen's Tii-On blocks feature a stainless-steel loop at the head of the block. This gives the Tii-On range maximum strength and reliability with minimal cheek separation when tied on and loaded up with a soft shackle. The stainless-steel head loop also ensures the block stays in the right orientation when being used.

Allen 40mm Single Tii-On Block With High Load Sheave

The 40mm single tii-on block is our go-to dinghy mainsheet block. Also ideal for dinghy jib and spinnaker sheeting systems as well as keelboat control lines.

Allen Upstand Block - 20mm

Upstand Blocks, also known as foot blocks and lead blocks are a low-profile solution for leading lines to cleats and jammers.

Allen 30mm Extreme High Load Dynamic Block With Kicker Key

The A2031XHL-873 is a Laser/ ILCA specific vang block.

Allen 30mm Articulating Double Dynamic Block

The Dynamic range is generally the best choice for applications that require constant sheave movement.

Allen 27mm Double Upstand Block

Allen Double 27mm Upstand Block 

Allen 30mm Tiitan Single Block With Vang Key

Allen's 30mm Tiitan Single Block With Vang Key

Allen 30mm Articulating Triple Dynamic Block

Alle 30mm Articulating Triple Dynamic Block. 

20mm Allenite Through Deck High Load

Allen 20mm Single High Load Through Deck Block. 

20mm Double Allenite Through Deck High Load

Allen 20mm Double High Load Through Deck Block. 

Allen 30mm Dynamic Flip Flop Block With A.677 Cleat

Allen 30mm flip flop block with ball bearing sheave and allenite cam cleat. 

Allen 30mm Dynamic Flip Flop Block With A..77 Cleat

Allen 30mm flip flop block with ball bearing sheave and aluminium cam cleat. 

Allen 30mm Tiitan Single Block With Ti Sheave And Ceramic Balls

Allen's 30mm Tiitan Single Block With Ti Sheave and Ceramic Balls

Allen 20mm Tie On Dynamic Block V3 With High Load Sheave

Allen 20mm Single Ti3-On High Load Dynamic Block. 

Allen 20mm Articulating Double Dynamic Block

Allen 20mm Articulating Double Dynamic Block. 

Allen 20mm Double Dynamic Block With Fork

Allen 20mm Double Dynamic Block With Fork. 

Allen 20mm Double Dynamic Block

Allen 20mm Double Dynamic Stand Up Block. 

Allen 20mm Double Dynamic Block With Swivel Hook

Allen 20mm Double Dynamic Block With Swivel Hook. 

Allen 20mm Articulating Triple Dynamic Block

Allen 20mm Articulating Triple Dynamic Block. 

Allen 30mm Dynamic Fork Block With Sa.873 Key

Allen 30mm Single Fork Head Block With SA.873 Heavy Duty ILCA Vang Key 

Allen A2030 X 2 On 52mm X 6mm Ring

Allen Two 30mm Single Dynamic Blocks On Stainless Steel Ring. 

Allen A2030 X 3 On 52mm X 6mm Ring

Allen Three 30mm Single Dynamic Blocks On Stainless Steel Ring. 

Allen 30mm Tie On Block With High Load Sheave

Allen 30mm Single High Load Dynamic Tii-On Block.  

Allen 20mm Dynamic Block With P-Clip

Allen 20mm Single Dynamic Block With P-Clip. 

Allen 30mm Dynamic Flip Flop Block

Allen 20mm Ti3 Dynamic Single Block

Allen 30mm Dynamic Fiddle Block With Cleat And Hook

Allen 20mm Ezi Ti Dynamic Single Block

Allen 20mm Dynamic Single Block with Swivel Head

Allen 20mm Dynamic Single Block With Lacing Eye and Spring

Allen 20mm Dynamic Single Block with Offset Lacing Eye

Allen 30mm Dynamic Flip Flop Block with Cleat

Allen 20mm Flip-Flop Dynamic Block

Allen 30mm Dynamic Through Deck

Allen 20mm Dynamic Through Deck Block

Allen 30mm High Performance Snatch Block

Allen 20mm Micro Thru Deck Single Block

Allen 40mm High Performance Snatch Block

Allen 30mm Dynamic Upstand Block

Allen 30mm Composite Double Cheek Block

30mm Dynamic Through Deck Allenite Double Block

30mm Dynamic Through Deck Allenite Single Block

Allen 20mm Composite Double Cheek Block

20mm Dynamic Through Deck Double Allenite Block

20mm Dynamic Through Deck Single Allenite Block

Allen 60mm Quint Dynamic Block

Designed for use as a low-friction mainsheet system on sports catamarans, but suitable for many other applications, including backstay tensioning on keelboats.

Allen 60mm Dynamic Triple Block with Ratchet and Cleat

Allen 60mm Dynamic Quadruple Block

Allen 60mm Dynamic Triple Block with Becket

Allen 60mm Dynamic Triple Block

Allen 60mm Dynamic Double Block with Becket

Allen 60mm Dynamic Double Block

Allen 60mm Dynamic Cheek Block

Allen 60mm Dynamic Single Block

Allen 50mm Quint Mainsheet Block

Allen 50mm Dynamic Triple Block with Ratchet and Adj Cleat

Allen 50mm Dynamic Tie On Single Block

Allen 50mm Dynamic Single Block

Allen 40mm Dynamic Quad Block

Allen 40mm Composite Cheek Block

Allen 40mm Dynamic Triple Block

Allen 40mm Dynamic Fiddle Block and Becket with Swivel and A677 Cleat

Allen 40mm Dynamic Fiddle Block and Becket with Swivel and A676 Cleat

Allen 40mm Dynamic Fiddle Block with Becket and Swivel

Allen 40mm Dynamic Single Block and Becket with Swivel and A677 Cleat

Allen 40mm Dynamic Fiddle Block with Becket and Swivel and A676 Cleat

Allen 40mm Dynamic Swivel Block with Becket

Allen 40mm Dynamic Fiddle Block With Hook and A677 Cleat

Allen 40mm Dynamic Fiddle Block with A677 Cleat

Allen 40mm Dynamic Fiddle Block with Swivel and A676 Cleat

Allen 40mm Dynamic Fiddle Block with Swivel

Allen 40mm Ezi-Ti Dynamic Block

Allen 40mm Dynamic Single Block with Swivel

Allen 40mm Dynamic Single Block With Lacing Eye and Spring

Allen 40mm Dynamic Single Block With Removable Strap

40mm dynamic blocks are perfect for use on main, jib and spinnaker sheets on dinghies and keelboat control lines

Allen 30mm Dynamic Fiddle Block with Swivel

Allen 30mm Dynamic Fiddle Block with Cleat

Allen 30mm Dynamic Linked Pair of Blocks

Allen 30mm Dynamic Back to Back Block

Allen 30mm Dynamic Triple Block with Cleat and Becket

Allen 30mm Composite Cheek Block

Allen 30mm Dynamic Cheek Block with Profix

Allen 30mm Dynamic Triple Block with Becket and Inverted Cleat

Allen 30mm Dynamic Triple Block with Becket

Allen 30mm Dynamic Triple Block

Allen 30mm Ezi TII Dynamic Double Block

Allen 30mm Dynamic Double Block with Becket

Allen 30mm Dynamic Double Block

Allen 30mm Dynamic Single Block with Swivel Fork

Allen 30mm Dynamic Single Block with Fork

Allen 30mm Dynamic Multi Function Single Block

Allen 30mm Ezi TII Dynamic Single Block

Allen 30mm Dynamic Single Block with Swivel Hook

Allen 30mm Dynamic Single Block with Swivel

Allen 30mm Dynamic Single Block With Lacing Eye and Spring

Allen 30mm and 40mm Dynamic Linked Blocks

Allen 30mm Dynamic Single Block

Allen 20mm Dynamic Back to Back Block

Allen 20mm Dynamic Triple Block with Cleat and Becket

Allen 20mm Composite Cheek Dynamic Block

Allen 20mm Dynamic Cheek Block with Profix

Allen 20mm Dynamic Triple Block with Becket

Allen 20mm Dynamic Triple Block with Fork

Allen 20mm Dynamic Triple Block with Fork.

Allen 20mm Dynamic Triple Block with Cleat

Allen 20mm Dynamic Triple Block

Allen 20mm Dynamic Double Block with Becket and Hook

Allen 20mm Dynamic Double Block with Becket

Allen 20mm Ezi Ti Dynamic Double Block

Allen 20mm Dynamic Double Block With Swivel

Allen 20mm Dynamic Double Block

Allen 40mm Dynamic Single Block With Ultra-Strap

40mm dynamic blocks are perfect for use on main, jib and spinnaker sheets on dinghies and keelboat control lines.

Allen 20mm Dynamic Single Block with Fork Head

Allen 20mm Dynamic Multi Function Block

Allen 20mm Dynamic Single Block with Forked Swivel Head

Allen 20mm Dynamic Single Block with Hook

Allen 20mm Dynamic Single Block

The A2020 is our go-to low friction, fast rolling, small pulley.