Ronstan 60mm Single Fiddle w/ Swivel Head Core Block Ronstan Core Blocks Series 45 That's why our base layers

That's why our base layers are the go-to choice for professional athletes

Acetal & aluminum sheave options selected models are available with an aluminum sheave which has a deep groove profile specifically made for use with wire

5/16"-18 UNC Thread X 6" Shaft w/Nut & Washer

Forespar 4" UGPS Offshore Series Grand Prix End

Service Kit - Kit 4

Ronstan 60mm Single Fiddle w/ Swivel Head Core Block Ronstan Core Blocks Series 45 That's why our base layersProduct Description Ronstan 60mm Single Fiddle w Swivel Head Core Block Features Class leading performance and sleek, contemporary styling Excellent dynamic and high static load performance Less than half the friction of the nearest competitor Durable aluminum alloy cheek plates Central hub hole can be used as a becket take off or tie up point Integrated becket through the hub of the lower sheave Sheave 2 3 8 + 1 3 16 in. (60 + 30 mm) Max. Rope 1 2