99PCS Drill Bit Set 1/16"-3/8" HSS Titanium Multi Drill Bits Twist Metal Tools

16x 1/16" HSS Titanium Coated Twist Drill Bits. - 16x 5/64" HSS Titanium Coated Twist Drill Bits. - HSS is the most commonly used material for knife pin tools. - 15x 3/32" HSS Titanium Coated Twist Drill Bits.