DEWALT's 1'1/4 in. CSI Spiral Drive Pin w/ 1 in. Washer supports efficient workflows on commercial and residential projects by combining dependable fastening capability with a design that promotes repeatable results. Uniform manufacturing tolerances help reduce installation errors across multiple fasteners, making this pin useful for contractors and tradespeople focusing on productivity. The high'quantity 100 pack ensures crews remain supplied during high'volume applications, and the washer'mounted configuration helps maintain centered driving and reliable anchoring over time.