Amazon
HSS-R twist drill, short, pack of 10, 2, 7mm This construction style is far superior in strength as well as the maintenance of exact torque length. All of SK's interchangeable heads are made from a single piece of alloy steel., Manufacturer: KS Tools
HSS-R twist drill, short, pack of 10, 2, 7mm This construction style is far superior in strength as well as the maintenance of exact torque length. All of SK's interchangeable heads are made from a single piece of alloy steel., Manufacturer: KS Tools