Lewmar 155mm High Load Racing Single Stand Up Block Lewmar Traveler Size 1 5 mm B 17/64 in

5 mm B 17/64 in 6

and reliable performance over extended sailing periods

Robust side plates and a carefully profiled sheave ensure dimensional stability wear resistance

it provides trusted Lewmar reliability with practical

low-resistance rotation under load

Lewmar 155mm High Load Racing Single Stand Up Block Lewmar Traveler Size 1 5 mm B 17/64 inLewmar 155mm High Load Racing Single Stand Up Block The Lewmar High Load Racing Single Stand Up Block is engineered for extreme loads in high performance sailing environments. Its stand up design keeps the sheave upright when unloaded, allowing fast, reliable line engagement during manoeuvres and sail trim changes. Built from race grade, marine quality materials, the block delivers smooth, low friction performance with exceptional strength and