Ronstan Series 60 Core Block - Single, Rope/Wire Sheave gauges 12 x Studs 3/8" unc

12 x Studs 3/8" unc x 1 1/2" long (CAD PLATED)

Can be mounted on either windscreens up to 1" thick or on the dash

suitable for line sizes 2-8mm (3/31 - 5/15") dia

Stainless Steel Spring

Ronstan Series 60 Core Block - Single, Rope/Wire Sheave gauges 12 x Studs 3/8" uncCore Blocks are a true all round solution. A tuned 2 stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for