Single block master 57mm< [3611510]

Code: 3611510

Hercules blocks are specialized made for cruising boats to handle extremely high loads.
One piece machine made sideplate for perfect balance between weight and strength. Sleeve and side ball bearing provide smooth rotation for extreme high loads. All materials are UV-resistant and anti-corrosion for maximum protection and long lasting durability.
Hercules single and fiddle blocks are ideal for vang and mainsheet systems. Foot models with jammers can be used on the deck to guide lines and secure sheets.
Ball bearing: 316 Stainless Steel sleeve bearing and two races Derlin® ball bearing
Sheave diameter 57 mm: self-lubricant acetal composite
Cheeks: Black hardcoat anodized Aluminum
Swivel shackle: Forged Grade 316 Stainless Steel

WL: Working Load
BL: Breaking Load