45mm X2 auto-ratchet block Features_SPF50 Airbag for flotation on Optimist

Airbag for flotation on Optimist boat

9mm 12mm 13mm 16mm Diameter (mm) 5 6 5 6 Overall length (mm) 12 25 16

Short-sleeved rashvest with additional Airstretch panels along the back and under the arms

but for higher loads we would recommend upgrading the 38mm block to the 57mm version

you can upgrade to a Kingfisher Splicing kit here or here

45mm X2 auto-ratchet block Features_SPF50 Airbag for flotation on OptimistThe X2 pawl system incorporates two pawls into the mechanism for the ratchet block allows the load to be evenly shared between both pawls, this allows the block to withstand higher working loads while also increasing both the reliability and longevity of the block when compared to the older AutoRatchet designs. Specifications Sheave size: 45 mm (1 49 64") Max. line size: 8 mm (5 16") Overall height: 90 mm (3 35 64") Breaking load: 280 kg Max. working