Engineered for long life, this hole saw offers faster cutting performance. The kit comes with 40 hole saw blades in 26 sizes: (2) 3/4 in., (2) 7/8 in., (2) 1 in., (2) 1-3/8 in., (2) 1-1/2 in., (2) 1-3/4 in., (2) 2-1/8 in., (2) 2-5/8 in., (2) 3 in., (2) 3-5/8 in., (2) 4 in., (2) 4-1/4 in. and (2) 4-1/2 in. For additional durability, this hole saw features RIP GUARD teeth constructed with more steel behind the cutting edge for increased productivity on the job site and better hole quality. They are also backed by a limited lifetime tooth break warranty. Each hole dozer is coated with a low friction, thermoset paint for faster cutting speed in wood and more holes cut per battery charge. This kit includes a plug jack with an all-access slot design, aiding in full-access during plug removal. The jack enables access into the cup for both thick thin material removal, eliminating wasted downtime between holes.