1155 LEWMAR Control blocks with stainless ball bearings Lewmar Control blocks offer high sliding qualities thanks to the stainless steel ball system rotating within a bushing of the same material. The weight has been limited by MRT technology and a careful design phase of the composite cheeks. The ease of washing the balls from salt and sand through the small windows finally ensures a long lifespan and consistent performance. Ideal for applications with reduced loads. The chokes only support the load that can be manually applied. LEWMAR Control block (30-40 mm) Black pulleys Type Sheave Ø mm Max working load kg Breaking load kg For ropes mm 68.401.31 Single 30 200 480 8 68.402.31 Double 30 300 600 8 68.403.31 Triple 30 500 1000 8 68.404.31 Single with groove 30 200 480 8 68.405.31 double with rope guide 30 300 600 8 68.406.31 Triple with hoist 30 500 1000 8 68.420.31 Single on spring 30 300 1000 8 68.441.31 Single non-rotating 30 200 480 8 68.414.31 Single non-rotating with cleat 30 200 480 8 68.410.31 Triple with cleat and stopper 30 200 480 8 68.463.31 Vertical deflection 30 200 480 8 68.465.31 Swivel turret with cleat 30 200 480 8 68.440.30 Opening block for barber 30 120 240 8 68.401.41 Single 40 240 800 10 68.402.41 Double 40 480 1200 10 68.403.41 Triple 40 720 1800 10 68.404.41 Single with groove 40 240 800 10 68.405.41 double with rope guide 40 480 1200 10 68.406.41 Triple with hoist 40 720 1800 10 68.420.41 Single on spring 40 240 800 10 68.409.41 Single with cleat and throttle 40 480 800 10 68.410.41 Triple with cleat and stopper 40 720 1800 10 68.463.41 Vertical deflection 40 240 800 10 68.440.40 Opening block for barber 40 180 360 10 \ 68.441.31 \ 68.410.31/41 \ 68.414.31 \ 68.463.31 \ 68.401.31/41 \ 68.402.31/41 \ 68.403.31/41 \ 68.404.31/41 \ 68.405.31/41 \ 68.406.31/41 \ 68.409.41 \ 68.420.31/41 \ 68.463.41 \ 68.465.31 \ 68.440.40 LEWMAR Control block (60 mm) Code Type Max working load kg Breaking load kg Length mm For ropes max mm 68.460.60 Triple ratchet with throttle and cable pull 1000 2000 166 538 10
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