Flat, stainless base plate distributes loads to a larger surface area than other designs that place loads on mounting bolts only. Use on spars and deck to lead sheets, halyards, reefing gear, and any control requiring a strong, smooth lead.
Aluminum Double Cheek Block with Delrin Sheaves. Safe Working Load Lower Sheave 2250 lbs, Lower Sheave 500 lbs
55-61 to fit curved spars.