8-piece kit 7/8 in., 1 1/8 in., 1 3/8 in., 1 3/4 in., 2 in., 2 1/2 in., pilot bit, carrying case Integrated arbor provides solid rotation SmoothStart pilot drill prevents bit from "walking" on smooth surfaces Precision ground carbide teeth for fast cutting of clean, burr-free holes Ejection spring effortlessly ejects slug 0 0