Proster Hole Saw 11 PCS Hole Cutter HSS Center Drill Bits Set Spring Drill Hole Cutters 15-50MM Saw Set Stainless High Speed Steel Metal Alloy for Soft Wood PVC Board and Plastic by Amazon.co.uk

• MATERIAL --- M42 High Carbon Steel, Heat Treated. M42 High Speed Steel Teeth for Fast and Clean Cuts. Suitable for Soft Wood, Thin PVC Board, Plastic but Not Metal.

• 11 PCS DRILL BITS --- Comes with 11 PCS of Different Sizes Drill Bits, Including 16mm 18mm 20mm 22mm 25mm 30mm 32mm 35mm 40mm 50mm 53mm. High Precision, Smooth Cutting Edges, Especially Impact.

• WIDELY USE --- Widely Used in Bench Drill, Magnetic Drill, Gun Drill, Drill Percussion and So On. For Stainless Steel Plate, Square Tube, Iron, Cast Iron, Wood, F.R.P and Other General Sheet Metal

• DURABLE --- Hole Cutters Use Spring Design Which Favorable to Chip Removal, Drilling Efficiency is Superior; with Triangle Handle, Catch Firmly.

• NOTE --- PLEASE ADD COOLANT When You Drill Sheet Metal. PLEASE Reduce the Drilling Speed When You Positioning Drilling.