Single-speed, plain-top winches use Delrin bearing sleeves.Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.SpecificationsMaterial: AluminumConfiguration: Plain-topSpeed: 1Drum diameter: 2 11/16″ (68 mm)Base diameter: 4 1/2″ (115 mm)Fastener circle: 3 9/16″ (90 mm)Fasteners: 8 FH mm (5/16 FH inch)Number of fasteners: 4Gear ratio: 1: 1Power ratio: 1: 7.5Available power: ManualLine entry height: 1 1/2″ (38 mm)Height: 3 9/16″ (90 mm)Weight: 2.4 lb (1.1 kg)Spare PartsBK4517: Lock-In Winch Handle Service KitBK4512: Classic, Radial Winch Service Kit – 10 Pawls, 20 SpringsOptional ExtraAluminum SpeedGrip Lock-In Winch Handle – 254 mm HKB10ASGAluminum SpeedGrip Lock-In Winch Handle – 203 mm HKB8ASGPawl Oil – For Springs, Pawls HKBK4521High Performance Winch Grease – White HKBK4513Technical FileInstallation Manual .input-wrapper a { text-decoration: none; / Removes underline / background-color: transparent; / Ensures no background color / } .input-wrapper a:hover { text-decoration: underline; / Adds underline on hover / background-color: transparent !important; / Removes grey highlight / }