Set: 1/16", 3/32", 1/8", 5/32",3/16", 7/32", 1/4"Replaceable HSS drill bits. Good for drilling wood, metal and plastic1/4" power groove shank. See View Detail for included sizes.To see the whole collection, Search: Insty Bit Quick Change Drilling System
Individual drill adapters
Brand: Insty-Bit