Strong power, efficient polishing, eccentric high-frequency vibration, and less prone to stopping due to external resistance, with high efficiency and good performance. Grinding back and forth from left to right with a deviation of 3mm, efficient grinding, more uniform and faster. The replaceable pad is easy to replace to meet different working needs. Equipped with stepless speed control button, the speed and for can be adjusted according to different work needs. Portable and compact, easy to carry. With non-slip handle, easy to operate. This straight line air sander is suitable for grinding narrow gaps, irregular workpieces, metal molds, wood decorations, metal jewelry, etc. Specifications: B: Industrial Colour:As Shown Material:Rubber+Alloy Package Contents: 1 x Polishing Machine Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.