they can be used for heavy loads and semi-static lines

Twist lock tube valve

lifeline etc

Materials316L stainless steel grade

EXTENDED GRIP PANELSExtending further up the fingers to suit both small and large diameter ropes

Lewmar Block Control Double Becket 40mm 420558 RONSTAN Clothing they can be used fordesigned and manufactured to provide extremely lightweight, high load bearing blocks ideal for use with hand held loads on dinghys, sports and keel boats. Lewmar Control Blocks feature stainless steel central race and balls while long fibre technology provides exceptional strength and durability. Open design provides for easy flushing of sand and salt, helping to keep maintenance to a minimum and performance to a maximum. Features Manufactured to