Hole saw set, 17 pieces bright HSS bi-metal, dia. 19/22/25/29/35/38/44/51/57/68/83 mm HSS bi-metal, with 2x hexagon shafts for hole saws dia. 14 - 30 mm and dia. 35 - 152 mm, 2x centre drills, 1x ejection spring and 1x hole saw each in dia. 19/22/25/29/35/38/44/51/57/68 and 83 mm and Allen key, supplied in a sturdy plastic case Applications: