Ronstan Series 15BB Block-

Single Swivel Head

Murrays Part# 21-15100

The Series 15 BB Block - Single Swivel Head is the smallest and lightest ball bearing block available. It features a precision molded acetal sheave running on stainless steel ball bearings which provide high performance and low friction. Single loop head blocks include an O-ring to separate running line from head lashing or fixing.

Applications:

• Dinghy control lines
• Vangs, cunninghams and tweakers
• Shock cord tensioning systems

Specifications:

Ronstan Part# RF15100