Lewmar 29901321Blk 8Mm X 30Mm Ball Bearing Control Block

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Extremely lightweight, Lewmar's 30mm 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.

Features:

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 9/32" (7.1mm), triple block is 3/8" (9.25mm)
Max pin diameter single/double block is 5/32" (4mm), triple block is 3/16" (5mm)

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

Specifications:

Max Line: 8mm
SWL: 200kg
Sheave Diameter: 30mm

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