Product Description Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts. Some parts may require installation by a qualified gunsmith. Smith & Wesson 36-2, 37-1, 38-1, 42 Yoke Screw Assembly Nickel Plated at MidwayUSA $4.99 Buy Now Check Price on Amazon Check Price on eBay Category: Gun Parts & AccessoriesColor: GreysSize: Small