Urethane Scraper Tools Ergonomic, non-slip handle. Aluminum shaft with quick-change collet. Includes pack of 10 5/8 inch (16mm ) super sharp blades. WRD-SRB12 12mm Stingray Blades for SB16 Scraper Tool WRD Stingray Razer Blade - 12mm Made from 0.8mm Japaneese steel this unique side curved razor blade has been specially designed for optimal pinchweld preparation. WRD-SRB17 17mm Stingray Blades for SB16 Scraper Tool WRD Stingray Razer Blade - 17mm Made from 0.8mm Japaneese steel this unique side curved razor blade has been specially designed for optimal pinchweld preparation. Package Included 1 Piece Urethane Scraper Tools 10 Piece of 5/8 inch (16mm ) super sharp blades. 1 Piece 12mm Stingray Blades 1 Piece 17mm Stingray Blades WRD B16 Urethane Scraper Tools, 12mm & 17mm Stingray Blades, Japaneese Steel