WHOLESALE 80PC DRILL & DRIVER BIT SET Contents: 6pc Twist drill bit size: 5/64", 1/8", 5/32", 3/16", 1/4"& 5/16". 6pc Masonry drill bit size: 3/16", 1/4"x2, 5/16"x2 & 3/8 5pc Wood drill bit size: 5/32", 3/16", 1/4", 5/16" & 3/8". 1pc bit holder. 6pc Metric nut driver. 6pc SAE nut driver. 10pc 2" driver bits. 40pc 1" driver bits.