Ronstan Ball Bearing Orbit Blocks Series 30 Single & Becket Lashing Head ronstan series 75 core block - double foot GM front/bottom mount standard high

GM front/bottom mount standard high torque for most 305/350 (5

2 x Gaskets

provides a more powerful grip than conventional designs - up to 20:1 holding power

For Velvet Drive 71C and 72C inline transmissions and V-drive

Ronstan Ball Bearing Orbit Blocks Series 30 Single & Becket Lashing Head ronstan series 75 core block - double foot GM front/bottom mount standard highLightweight Highest working load in its class Secure, versatile attachment Low profile and compact Ultra low profile thru sheave becket Low friction 2 stage ball bearing system provides consistent performance over the full working load range. SP versions feature a Nylatron sheave suitable for both rope and wire Ball Bearing Orbit Blocks boast the highest strength to weight ratio available. This is achieved through all composite reinforced polymer