Extremely lightweight, Lewmar's 40mm Synchro blocks are ideal for use with hand-held loads and feature lightweight, performance load-bearing 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. • Higher efficiency for faster sail handling and less rope wear • High load bearing capability • Cheeks use long fiber technology giving strength and durabiltiy • Lightweight and impact Resistant • Post diameter single/double block is 5/16" (8mm), triple block is 7/16" (11.5mm) • Max pin diameter single/double block is 5/32" (4mm), triple block is 1/4" (6mm)
Ball bearing blocks are typically used for medium and dynamic loads in: • Control line applications • Mainsail sheets for dinghies and keelboats • Spinnaker sheets, barber haulers • Genoa sheets • Dinghy applications
40 mm Control Block - Swivel
1.8 oz. (52g)
528 lbs. (240kg)
This item may be known to the State of California to cause cancer, birth defects, or other reproductive harm.