The Lezyne Classic Chain Drive is a shop-quality chain breaker you&';ll want on the bench and in the truck. A robust heat-treated CrMo steel body and classic wood handle give it a smooth, controlled press, and the adjustable design fits most 7- through 12-speed chains. A spare breaker pin lives inside the handle so you&';re never stuck with a snapped pin.Key Features Heat-treated CrMo steel body with varnished wood handle Adjustable to fit 7/8/9/10/11/12-speed chains Hardened, replaceable steel breaker pin Spare pin stored in the handle Specs Finish: Nickel Weight: 302.5 g Dimensions: 195 x; 125.6 x; 26.6 mm