1 marketplaces are offering it on Ebay with coupon codes. Other top features are CUTTER, China and mpn. Also 5pcs set hss large cobalt hole is one of the top 10 sellers in and in 2022.

Features: Step Bits 3/16- 1/4- 1/2'' Step Cone Drill design for different 1/8'' up 3/8'' and and Highly Polished, Cobalt Coated to and Perfectly Holes Steel, Plastic, fibreglass, PVC, thin aluminium.
Automatically deburrs as you Material: with Cobalt Color: shown on photo Length*Shank Diameter): 1/4- inch: 7/8 approx. 1/4- 3/4 66x8mm inch: approx. 70x6mm 3/16- inch: 55x6mm The Five cutters Come the 1-3/8 (1/4'', 5/8'', 1/8'', 1/4'', 3/8'') 12 Steps (3/16'', 5/16'', 3/8'', 9/16'', 13/16'', 7/8'') (inch): 5/16'', 9/16'', 5/8'', 11/16'', 3/4'') 1/8- 1/2 Steps 5/32'', 7/32'', 9/32'', 11/32'', 7/16'',.
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