The 5-piece wood drill bit set includes sizes 15, 20, 25, 30 and 35 mm, and the bits come in a convenient aluminum case. The set is designed for fast and clean wood drilling, and its double-edged design prevents clogging even in demanding work situations. The pilot tip pulls the bit into the wood accurately and efficiently, speeding up work and ensuring a clean result. Shank 8 mm, and 10 mm for the 32 mm bit, making the set compatible with most drills.