Sealey WHS19 HSS Hole Saw Blade 19mm Manufactured from Bi-Metal M3 steel with milled teeth for fast accurate cuts and long-life. WHS19 Features Manufactured from Bi-Metal M3 steel with milled teeth for fast accurate cuts and long-life WHS19 Specification Model No WHS19 Brand: Worksafe Diameter: 19mm What is included: 1 x Sealey WHS19 HSS Hole Saw Blade 19mm