15 Size Diamond Drill Bits
Material: high quality steel, diamond dust coating Size: 6-50mm/1"-3.15" ,6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 14mm(9/16"), 16mm(5/8"), 18mm(11/16"),20mm(3/4"),22mm(7/8"),25mm/(1"),28mm(1-3/32"), 30mm(1-1/8"),35mm(1-1/3") ,40mm(1-1/2") 50mm(2")
Hole Saw Guide:
Material: rubber base + plastic shell + steel Minimum Drill Bit Dimension: 1/8" Maximum Hole Saw Dimension: 3-1/4"
Two Fixing Modes Available: Mode 1: You can fix your hole saw with 4 bearing balls,for sizes up to 3-1/4 inches Mode 2: Place the plate reversely then remove one bearing ball to the bearing hole, you can fix your hole saw with 3 bearing balls,for sizes up to 1-3/4 inches