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kwb 499176 Power-Box bit Set with Diameter Size 68 mm and 82 mm-Carbide Tipped, Impact Resistant, incl. -2X Center Drill, SDS Plus and Hexagonal Shaft : Tools & Home Improvement - Amazon.com
Centre Drill Set Walfront 1.5/2.0/2.5/3.0/4.0 mm 5 Pieces HSS Stainless Steel Centre Drill 60 Degree Angle Countersink Drill Spotting Combined Countersunk Head Spotting Drill Set for Metal Wood : Amazon.de: DIY & Tools
Amazon.com: Wene Belt Hole Puncher, High Carbon Steel Manual Operating Incisive Durable Leather Punch 9.8x10.6cm/3.9x4.2in for Gaskets for Plastics : Tools & Home Improvement