PROXXON 38472 Precision Rotary Tool and SetPerformance at its best! The torque makes the difference! The smart alternative with key-less chuck.PROXXON 38472 Precision Rotary Tool and Set Features: Rotary tool set For drilling, milling, grinding, polishing, brushing, de burring, rust removal, engraving, carving and cutting Lock the spindle and use the key-less chuck to switch out the accessories with ease 43 Piece industrial quality accessory set. Durable plastic storage case included Two year warranty Quiet 100W motor Precision ball bearing in spindle. 20mm collar allows fitting of optional PROXXON drill stands, rotary tool holders, tile cutting or angle attachments. PROXXON 38472 Precision Rotary Tool and Set Specifications: 1/8hp (100 watts) Speed: 5,000 to 20,000 VariableIn The Box: Rotary Tool FBS 43 Piece accessory set Instructions Storage case