wet or underwater substrates

Machined in hard anodised alloy

Please do not use this over existing single pack paint

Ultra compact

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Harken 40mm Block Swivel, Becket, Cam Cleat 2646 Ronstan FRICTION RINGS wet or underwater substratesLow friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Part No. 2646 Sheave (mm) 40 mm Maximum line (mm) 6 mm Maximum working load (kg) 136 kg Maximum working loads and breaking loads for blocks based on cam strengths.