6 Pack 4" T-Shank Diamond Coated Jig Saw Blades Grit 50 4 T-Shank Diamond Coated Jig Saw Blade, Grit 50 Diamond Grit 50, Working Length 3, Width 5/16 Narrow Kerf Allows for Clean, Thin, Faster Fine Straight or Curved Cuts Vacuum brazing technology for faster cutting and longer life T-Shank Diamond Jig Coated Saw Blade, Chrome Alloy Backing for Extra Stability