M35 Cobalt Step Drill Set, Four Spiral Flute Cobalt Step Drill Bit,1/4″ – 1-3/8″(19 Step Size), for Stainless Steel, Wood, Aluminum, Plastic, Great for DIYers
Micrograin Carbide Square End Mill – 4 Flute, 4T Design (1pcs, 1/2″) for Alloy Steels, Hardened Steel, Metal, and Multipurpose Milling – Precision Tool Kit for DIY and Professional Use
