JKDRILL 6Pcs Drill Tap Combination Bit Set, 1/4" Hex Shank High Speed Steel Drill Bit Spiral Screw Thread Taps Drill Bits Set HSS 4341 Countersink Bit;

100% brand new and high quality.
Material: HSS4341
Color: as picture shows
Weight: 82g
Shankïš1/4 hex shank
Shank diameter: 6.35mm
Tap diameter: 1/8"(3.175mm); 5/32"(3.97mm); 3/16"(4.76mm); 1/4"(6.35mm); 5/16"(7.94mm); 3/8"(9.53mm)
Specific size as shown in the picture
(Note: All measurements are approximate and may vary slightly from the listed dimensions.)
Package included:  
1pc x Taps Drill Bit set