These unique load sensing blocks shift seamlessly between ratchet and light air modes with no switches involved. They roll freely in both directions under low loads, but automatically engage the ratchet assist under higher loads. Best of all, the ratchet engagement point is adjustable to suit your muscle power and sailing style.
• Perfect for main/jib sheets and asymmetric spinnakers
• Adjustable ratchet engagement 
• Free release under light load 
• Eight-sided, hardkote-anodized aluminum sheave 
• Durable stainless steel ratchet pawl 
• Sheave diameter: 2-1/4" (57mm) 
• Maximum line size: 3/8" (10mm)
 
Specifications
MFG #:2625
Max. Line 3⁄8" (10mm)
Length 4-1/16" (103mm)
Weight 3.7 oz. (104g)
BL 2,000 lbs. (907kg)
MWL 500 lbs. (227kg)
Sheave Dia. 2-1/4" (57mm)
Holding Power 10:1
Warning: This item may be known to the State of California to cause cancer, birth defects, or other reproductive harm.