These ball bearing race blocks are designed
to take high loads and be very light. They have a double row of captive
stainless steel balls running within a stainless steel sheave. This
ensures minimal deflection of both ball and housing helping prevent 'dig
in' under high loads.
Rope Sizes & Types: 4mm wire, Dyneema,
Spectra or Kevlar.
Sheave: 316 stainless steel
Bearing: Double row stainless steel ball
Body construction: Electro polished 316
stainless steel with hollow drilled rivet.