Lewmar 40mm Synchro Control Block 10mm - Stand Up M40 while O-Ring seals makes the

while O-Ring seals makes the hatch waterproof

Can run dry without damage

Stylish black plastic steps and neatly fold ups for storage

smooth surface that resists everyday wear

Lewmar 40mm Synchro Control Block 10mm - Stand Up M40 while O-Ring seals makes theLewmar 40mm Synchro Control Block 10mm Stand Up. Ref17: AF L29901420 Ideal for use with hand held loads, Lewmars Control Blocks feature lightweight, performance loadbearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.