Wichard 55mm Single Cheek Block with 6mm Bolts Select (See Table Below):WB-74120 55MM B/B BLK: SINGLE CHEEK BLK - EACH Seal: Lip seal

Seal: Lip seal

with larger shaft

which is designed to be applied to the leech of the mainsail to help reduce flutter and breakdown

Substrates GRP

52200-2001

Wichard 55mm Single Cheek Block with 6mm Bolts Select (See Table Below):WB-74120 55MM B/B BLK: SINGLE CHEEK BLK - EACH Seal: Lip seal55mm Single cheek block with 6mm bolts. Sheave Diameter 55mm, rope size 12mm. Protective cheeks increase sheave lifespan, Stainless steel load straps, Stainless steel pin, Stainless steel bush ensures rotation under heavy loads, Composite sheave. Plain and Ball Bearing Blocks available. Spec Sheet Part Description Bearing Type H mm W mm T mm Hole Centres mm Work Kg Break Kg RRP Inc VAT Unit WB 64120 SINGLE: Cheek Block, Bolts 6mm Dia Plain Bearing 81