Item Dimensions LxWxH: 10.24 x 8.66 x 2.36 inchesItem Weight: 2.35 poundsAll-Purpose Rotary Tool Accessories Kit Part 1: 228pcs sanding papers56pcs sanding bands2pcs flap wheels58pcs 15/16” cut-off wheels36pcs 15/16” heavy-duty cut-off wheels10pcs cut off wheels fiberglass1pc diamond cutting wheel3pcs brass brushes3pcs steel brushes3pcs nylon brushes1pc arbors for felt disc2pcs (large) felt wheels6pcs (small) felt wheels2pcs felt wheel point1pc polishing compoundAll-Purpose Rotary Tool Bits Part 2: 1pc HSS grinding points10pcs diamond grinding drills18pcs grinding wheels3pcs rubber polishing6pcs alumina grinding stones3pcs silicon carbide grinding stones2pcs rubber emery wheels1pc spanner/wrench2pcs mandrels3pcs sanding band mandrel3pcs 1/8” HSS drill bits3pcs 3/32” HSS drill bits3pcs 1/16” HSS drill bits1pc whet stone2pcs 1/8” collets1pc 3/32” collet1pc 1/16”collet1pc storage caseComprehensive and Versatile: This WORKPRO Rotary Tool accessory kit is compatible with most rotary tools on the market, such as MILWAUKEE rotary tools, DREMEL rotary tools, etc. This extensive accessory set makes it easy for beginners or an experienced rotary tool users.Crafted for Excellence: The tool accessories group is crafted for precision and durability. With our detailed instruction manual, you will soon master the art of using these accessories.Portable & Durable Storage Tool Case: All accessories are organized, easy to place and lightweight. The case is also waterproof and moisture-proof. The 10-1/8" x 8-5/8" x 2-3/8" storage box also makes an excellent gift box.