Schaefer's Twin Sheet Lead Blocks Allow fot twin sheets through
it's wide flared sheave permitting easy sail changes. The Cage and Slide body are computer machined resulting in incredible strength and precision. Each Block provides a low profile articulating sheave for a proper lead from the sail through the block and into your cockpit. Sheaves are hardcoat anodized aluminum running on Schaefer's low friction Nomex™/Teflon ™ Bearing.
Boats to 44'.