Quick view 3.6 Volt 60 Pc Rotary Tool Kit Rotary Tool Kit - 3.6 Volt - 60 Piece Voltage: 3.6 VDC UL Approved AC/DC adapter No load speed: 10000 RPM Collet size: 1/32 inch to 1/8 inch 60 piece accessories included: grinding stones, metal engraving bits, connective posts, wire... $23.82 $14.29 Add to Cart Compare