Ronstan 20mm B/B Double S20 Orbit Block Tracking_Boardfy Which uses twin rows of

Which uses twin rows of stainless-steel ball bearings running on a stainless-steel rail

denoting the highest specifications in the range

5 mm Inside Width  32 mm Rod Size  6 mm Thread Length  39 mm Weight  53 g

0% – Broad spectrum protection

The ball can be compressed into the main body

Ronstan 20mm B/B Double S20 Orbit Block Tracking_Boardfy Which uses twin rows ofS20 Ball Bearing Orbit Lashing Double Block Weight: . 01 kg Product Name: Series 20 Orbit Block, Double Lashing Sheave Size (mm): 20 Max Rope Size (mm): 6 MWL (kg): 300 Finish Material Sheave: High compression strength black Acetal. Frame Cheeks: Toughened Nylon. BL (Kg): 800