Ronstan Midget Single Block (Cheek) Murrays Part# 21-0661 Rontan's cheek block is a Hobie® 18 and Prindle downhaul and turning block. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase. Specifications: 3/4" sheave diameter, 3/16" maximum line diameter; 330 lb. maximum working load; 990 lb. breaking load For H-18, use 7' of downhaul line Use rivets #19-5033 to mount to an aluminum mast Lightweight durable construction Economical Maintenance free Product Specifications: Max. Rope diameter (in) 3/16 M.W.L. (lb.) 330 Sheave diameter (in) 3/4 B.L. (lb.) 990 Weight (oz) 0.4 Hobie Cat® Part# 1140000 Ronstan Part# RF661
