Ronstan Ball Bearing Utility Blocks - Series 15 - Pivoting Lead Block bathiscope This high-quality kit includes a

This high-quality kit includes a Planetary Gear Helm

Threaded inserts welded in base for concealed fastening from beneath

Threaded rod can be cut to size with final engine alignment via thread adjustment

100mm x 300mm

These throttles will replace a standard Morse throttle

Ronstan Ball Bearing Utility Blocks - Series 15 - Pivoting Lead Block bathiscope This high-quality kit includes aSmallest 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