Mainsheet Jammers

Swivel Base

Swivels and Centre Jammers

We stock a wide range of swivels, centre jammers and accessories developed by some of the top marine manufacturers, including Allen, Harken and RWO.

£371.80 £334.62

£258.04 £232.24

£218.64 £196.78

£202.27 £182.04

£189.83 £170.85

£187.78 £169.00

£176.75 £159.08

£161.27 £145.14

£152.63 £137.37

£145.95 £131.36

£143.38 £129.04

£141.62 £127.46

£141.62 £127.46

£138.90 £125.01

£99.12 £89.21

£68.50 £61.65

£65.64 £59.08

£51.33 £46.20

£11.86 £10.67

£10.01 £9.01

£5.64 £5.08

£1.78 £1.61

£1.15 £1.04

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Mainsheet Jammers

Swivel Base

Swivels and Centre Jammers

Harken Mainsheet Kicker Jammer

Allen Dual Arm with A..76 and A.677 Mainsheet Jammer

Allen Standard Aluminium Arm Mainsheet Jammer with A2160

Allen Standard height aluminium arm with A2160FIDDLE

Allen Self Aligning Mainsheet Jammer with Ratchet

Allen Compact Self Aligning Mainsheet Jammer with Ratchet

Allen Compact Mainsheet Swivel

Harken Ball Bearing Swivel Mainsheet Cam Base

Allen Self-Aligning Mainsheet Jammer

Ronstan Swivelling Cleat Base

Harken Little Ball Bearing Swivel Cam Base

Allen Compact Aluminium Arm Mainsheet Jammer with A2240

Selden Deck Swivel 38

Allen Standard Aluminium Arm Jammer (block not included)

Allen Standard Aluminium Arm Mainsheet Jammer

Allen Compact Aluminium Arm BB Jammer (block not included)

Allen Compact Aluminium Arm Mainsheet Jammer

Harken 41 mm Ball-and-Socket Base — Swivel

Harken Hi-Load Ball/Socket Stand-up Base for 3/16 Pin

Harken 25 mm Low-Load Base swivel

Harken Stand Up Boot

RWO Plastic Spring Large

Allen Stainless Steel Universal Swivel Base

RWO Plastic Spring Medium

Barton Plastic Spring 40 x 50mm

Allen Stainless Steel Swivel Base ARCHIVE

Barton Tapered Spring Dia16/24 Height 20mm

Barton Stainless Steel Spring 20mm

Harken Spring Cup

Harken Stand Up Spring

Allen Medium Tapered Spring

Harken Stand Up Spring for Bullet Block