This strong, lightweight block uses the 75 mm ESP sheave. Plates angle so attachment straps fit shape of clew. Use with 595 and 1648 outhaul cars.

Sheave Ø (mm)
75 mm

Sheave Ø (in)
3 in

Length (mm)
140 mm

Length (in)
5 1/2 in

Weight (g)
370 g

Weight (oz)
13 oz

Maximum working load (kg)
1361 kg

Maximum working load (lb)
3000 lb

Maximum sail area - monohull (m²)
40 m²

Maximum sail area - monohull (ft²)
425 ft²