Features:

• HOLE SAW: Our high-speed steel sharp cutting teeth effectively drill through metal, wood, cornhole boards, PVC board, plastic, drywall, and more. The hole saw set includes 1* 4'' hole saw, 1*arbor(with 1 drill bit), 1*drill bit for replacement, and 1*hex key.Cutting diameter is 4 inch / 102mm, opening depth is 1.5 inch / 38mm.
• PREMIUM MATERIAL: Hole saws are made of high-speed steel, which has higher hardness, higher toughness, higher cutting strength, and stronger wear resistance.
• WIDE APPLICATION: The HSS hole saws are perfect cutting tools for installing recessed light into the ceiling, punching a big hole in the wall to fit a vent pipe or an extract fan, and for cable installation. Hole saws can cut holes in wood, plywood, plastic, drywall, soft plaster, cornhole boards and thin metals.
• EASY TO USE: Rotate the arbor and hole saw until it's very close (don't need tight), then line up the locking pins with the hole at the hole saw and screw them tightly.
• QUALITY COMMITMENT: We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide a 60-day money-back and 12-month warranty. 100% Satisfaction Guarantee for risk-free shopping!