6mm Coreless Motor 6017, body diameter 6mm, length 17mm, shaft diameter 0.8mm, weight 2.17g, out of shaft length 3mm, voltage 1S Lipo(3.7V), no-load current 80mA, no-load speed about 50000RPM, 2 kinds of lead wire, red_bule and black_white, the length of lead wire 45mm.