5pcs Cobalt Coated Step Down Drill Bits Set Variable Multi Cut Enlarge Hole 1/4--1-3/8" to 1/8--1/2"

Description

Feature: 100% High quality Brand new. No need for a pilot hole Titanium coated to reduce friction and run cooler Large bit has 3-sided shank and small bits have Triangle shank to prevent slip in drill chuck Automatically deburrs holes as you drill Long Life True high speed steel Quantity:5pcs Size: 1/4--1-3/8" Length: 7.5cm 3/16--7/8" Length: 7.5cm 1/4--3/4" Length: 7.2cm 3/16--1/2" Length: 5.6cm 1/8--1/2" Length: 7.2cm