Set punte trapano muratura legno torsione viti ancoraggio calcestruzzo assortimento kit 9 pezzi
Three sizes: 3/16(5mm), 15/64(6mm), 5/16(8mm), 9pcs. 1X 9 pcs Masonry Brill Bit Set + 1 x Setscrews Set in Plastic Case. Penetrate concrete, concrete blocks, brick, tile or stone with your power drill.