Model:CL-316HC Specification: This pivot, gate used high strength project plastic made, with safely switch, beautiful sculpt, low noise, high efficiency, controlled by microcomputer, automatically balanced, driving by brush]ess electricity machine, without maintenance, no carbon pollution. Rotating speed range: starting-16000 rpm, non-step adjusted speed Capacity: 12" 1.5m] Centrifugal force: 17000*g Timing range: 0-99min