65mm Hole Saw Kit is used for drilling walls, stones, bricks,or for installation of air-conditioning, etc. Easy and quick to perforate. SDS plus shank, male thread adapter. Made of high speed steel material, sturdy and . Suitable For: brick, concrete walls, air conditioning openings Made of high quality metal material and with carbide tipped. Rounds alloy blade combinations, each blade to bear part of the workload, not prone to chipping off the edge High-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth, Item Condition:100% New Color: Silver Hole Saw Diameter:65mm(.) Package Contents: 1* 65mm hole opener 1* 80mm hole opener 1* 110mm round shank post 1* center drill 1* screw Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.