FEATURES:Works with the Micro-Pocket? Drill Guide to create a 25% smaller pocket holeFor use with the Kreg Jig??K3, K4, K4MS, and the Foreman Pocket-Hole Machine (Item# DB210)Works great in almost every application where you?d use standard Kreg??pocket holesEspecially good for?1/2? (12mm) thick material and?narrow stock, down to 1? (25mm) wideFaster, easier drill strokes because the bit removes less material19/64? (7mm) diameter, 0.170? (4mm) diameter pilot tipOne-piece, industrial high-speed steel