The Pro-Series 42 Piece Rotary Tool Kit includes 40 popular and specialty accessories for decorative edging, joining and veining, shaping, grinding and polishing. The compact and lightweight design of this Rotary Tool Kit is great for hobbyist or professional woodworkers to use during home restoration, cabinet making and wood working projects. Variable speeds of 8,000 to 30,000 RPM give it the low speed needed to work on soft and delicate material and the power to handle harder pieces. Packaged inside a storage case to protect the bits from dings inside the toolbox and easy organization.