Features: guilty of trends without adjustment, sharpening unit can use the diamond grinding wheel or diamond wheel is simple: a single fine-tuning control of flexible Brothers: Quick Setup folder knife blade width of the plate group automatically adjusted, independent of the Brothers of dust and waste vacuum cleaners, flywheel In the precise movement of linear bearing rails, work stress rapid adjustment, check the blade symmetric optical eyepiece, digital display piece skin thickness, a suitable work place to reduce work fatigue Low noise: \u003c70 dB\u003e do not removal of universal joint can be quickly replaced feed rollers and guide bars for all parts accessible for easy maintenance and repair simple and rapid permanent lubrication of mechanical parts attachments: 1. Upper feed roller (8/0.6mm ) 2. rubber feed roller 3. Optional Brothers Component: Diamond grinding wheel / grinding wheel