McKay Abrasive 51 Pc Sanding Drum Set- Fits All Rotary Tools: Includes 5 Reusable Rubber Drum Mandrels with 1/8&rdquo; Shank & 45 Quick Change Sanding Bands-120 Grit Pads MULTIFUNCTION, VERSATILE SANDING DRUM SET: Drill bit securely chucks to the shank mandrel. Smoothly slides the sanding band over the rubber drum and youre ready to start your project. Our drum sanders connect to all high speed rotary tools like Dremel drill presses & power hand drills. Ideal accessory for smoothing inside and outside curved edges. Also used for surface preparation and finishing soft & hard exteriors like wood, woodworks, fiberglass and to shape fine woodcraft designs. COMMON, STANDARD SIZES VARIETY KIT: Our 51 piece kit was assembled with the most preferred sizes for professional carpenter & contractors. Kit contains 6 reusable rubber drums edged with 1/8 shank. Two of each of following width sizes are included: , 3/8 & 1/4" diameter. Also contains 45 quick change sanding bands- 120 grit. Sanding bands conveniently come in 15 of each of the following width sizes: , 3/8 & 1/4" diameter. PRECISION TIGHT, NON-SLIP FIT: Our self-expanding rubber cushioned drum mandrels were especially designed to embrace the sanding bands with a snug fit, keeping the sandpaper sleeves in place, for extra fine artwork. Designed to expand once the nut on the top of the drum is tightened. Easily slide bands over drum & tighten screw for non-slip fit. Our drums should fits most other sanding bands if the sizes are compatible. PREFERRED, EXTRA FINE GRIT PADS: The 120 grit bands that are included in this kit are the designated grit count for smooth, fine art woodworking, especially designed for this compact drum size uses. Other grit counts are available to add to these drums for more abrasive, coarse projects. This is a handy, easy to use tool for anyone that enjoys working with fine art wood work. REUSABLE, LONG-LASTING INVESTMENT: Our drum mandrels were produced with heavy duty rubber for a long lasting endurance. The shanks was ideally constructed with a solid high quality metal that will easily chuck into any drill bit and stay put. May always reuse according to the artwork projects need. This is a perfect tool to keep in the tool box, you wont believe how resourceful itll be!