Optimist sprit blockPlain bearing, aluminium sheave block for use on Optimist dinghy masts. Carbon reinforced plastic case with marine grade 316 stainless steel hook. Why buy Viadana? Manufactured in their factory on the idyllic Lake Como, Italy, Viadana rigorously test all their products both on and off the water. These products are made by the same people who use them. Viadana are so confident in the quality of their blocks and rigging accessories that they offer a

as spinnaker sheet turning blocks

A good kicker (vang) is a must for upwind and downwind performance

Breaking load: 600 kg

Viadana ratchet blocks feature innovative hard-coat and PTFE anodised aluminium sheaves with rope-gripping geometry

Overall height: 29 mm (1-1/16")

UV protection (UPF 50+)

Drop: 12 mm

Breaking strengths

4WaySupertex reinforced seat part & knees

Specifications

line size: 6 mm (1/4")

Plain bearing