8PCS specifications: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm. specifications: 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm，Length: 300mm. 1x Wood Drill Bit Set. It is deeply loved by wood friends and solves the problem of deep hole processing of woodworking.
eBay