These brad point drill bits are excellent for both home repair and woodworking use. The brad point bits have a center point design that keeps the drill bit from skating as it enters the wood resulting in perfectly smooth, splinter-free holes. The drill bits come organized inside a durable case with index. Coating Black oxide Material Carbon steel Maximum Diameter 1/2 in. Minimum Diameter 3/8 in. Product Weight 2.86 lbs Size(s): 1/16 in., 5/64 in., 3/32 in., 7/64 in., 1/8 in., 9/64 in., 5/32 in., 11/64 in., 3/16 in., 13/64 in., 7/32 in., 15/64 in., 1/4 in., 17/64 in., 9/32 in., 19/64 in., 5/16 in., 21/64 in., 11/32 in., 23/64 in., 3/8 in., 25/64 in., 13/32 in., 27/64 in., 7/16 in., 29/64 in., 15/32 in., 31/64 in., 1/2 in. Accessories Included: Heavy duty storage case