his is a 380 motor with a rated voltage of 3.6V. It can be carried with 3 batteries and can be used to make a small sander. 【Rated voltage】3.6v 【Motor diameter】28.5mm [Motor length] 38mm (without shaft) [Motor shaft diameter] 2.3mm [Motor shaft length] 13mm 【Step height】2.8mm 【Step diameter】9.7mm 【Fixed Aperture】2.5mm [Fixed hole distance] 15.8mm [Product weight] about 72.5 grams 【Motor parameters】 3v speed 3700/min no-load current 0.95A locked rotor 1.35A 6v speed 11500/min no-load current 1.9A locked rotor 1.08A