The 10 in., two-pack item offers a 60-tooth fine finish blade as well as a 40-tooth general purpose blade. An anti-friction coating keeps the blade cool while cutting and resists corrosion & gumming. Laser cutting technology creates the blade from 100% sheet steel to ensure a stable blade that increases cutting accuracy. 10 in. blades are ring tensioned to further stabilize the blade. Laser cut vibration slots minimize wobble and warping during use. A thin Kerf design delivers faster cuts as well as more cuts per charge when using a cordless tool. The 60-tooth fine finish blades ATB tooth pattern minimizes tear out in the cut material.