Hand Tools
HSS Step Drill Bits Titanium 4mm-45mm Plastic Tube Packaging shank for Wood and Metal, 5-19 Step Sizes from 4 mm to 45mm
Model:4-40mm; Type:Step Drill Bit; Material:High Speed Steel; Compatibility:Wall punching,Steel drilling; Batteries Included:No; Features:Anti-Wear,Metric; Shipping Weight:0.301; Net Weight:0.281; Listing Date:03/26/2022
https://www.bizrate.co.uk/handtools/hss-step-drill-bits-titanium-oid29703974885.html