Ronstan Series 15 Single BB Block w/ Swivel Head Winter Jackets - Work YKK® front zipper with chin

YKK® front zipper with chin protector

Schaefer Stainless Steel Cheek Block with 2 3/8" Aluminum Sheave

With LIFA® fibers on the inside

ZS Carbon Jammers are supplied with high tensile fasteners for standard mounting

C - 9/32" (7mm)

Ronstan Series 15 Single BB Block w/ Swivel Head Winter Jackets - Work YKK® front zipper with chinProduct Description Ronstan Series 15 Single BB Block w Swivel Head Features: Smallest and lightest ball bearing block available Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O ring to separate running line from head lashing or fixing Specifications: Sheave 5 8 in. (15mm) Max. Rope 3 16 in. (5mm) M. W. L. 260 lbs. (120 kg) B. L. 880 lbs. (400 kg)