Combination Drill & Taps Set A(5PCS):3/32", 1/8", 3/16", 1/4" 5/16" HSS Stubby Twist Drill Bits. Set B(6PCS):3/32", 1/8", 3/16", 1/4" 5/16", 3/8" HSS STubby Brad Point Drill Bit.