13Pcs Upgrade Heavy Duty Carbide Hole Saw Kit - Metal Steel Hole Saw Drill Bits TCT Hole Cutter with 1Pc Center Drill 2Pcs L-Wrench - Hole Saw Set for Metal, Steel, Iron, Alloy, Copper

YOSIGHT 13Pcs Upgrade Heavy Duty Carbide Hole Saw Kit - Metal Steel Hole Saw Drill Bits TCT Hole Cutter with 1Pc Center Drill 2Pcs L-Wrench - Hole Saw Set for Metal, Steel, Iron, Alloy, Copper

Mollom (1/2''|13mm) Heavy Duty Carbide Hole Saw with 2 Pilot Drill Bits, Hole Cutter cuts Stainless Steel, mild Steel, Iron, Copper, Brass, Plastic

CENYB 2-3/4" (70mm) Tungsten Carbide Tipped Hole Saw with 2Pcs Titanium-Plated Pilot Drill Bits for Hard Metal,Stainless Steel,Iron,Aluminum Alloy,Wood and Plastic