Sheave Dia.: 37 mm (1 7/16 in)
Max Line: 11 mm (7/16 in)
Length: 73 mm (2 7/8 in)
Width: 44 mm (1 3/4 in)
Height: 37 mm (1 7/16 in)
Fasteners (4): 5 mm (# 10 RH)
Fastener Spacing: 60 mm (2 3/8 in)
Safe Working Load: 450 kg (1000 lb)
Weight Alum.: 119 g (4.2 oz)

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.

Flat Base Aluminum Double Sheave Cheek Block. Safe Working Load for lower sheave 1000 lbs, Upper sheave 200 lbs.

Our Part # SCH30329 | Schaefer Part # 303-29