This is a professional DIY sander sanding belt adapter for both 115mm and 125mm electric angle grinder. Very convenient for converting your angle grinder to belt sander in a minute. Suitable for 4.5 inch(115mm) or 5inch (125mm) electric angle grinder with M14 thread spindle. Features: Convert your angle grinder to belt sander in a minute and easy to install belts. Slide switch with lock on with aluminum body. Ergonomic design, grip perfectly and easy to control with 6 levels variable speed control. Exchangeable working heads with function of sander and grinder. Head swivels 180 degrees up and down. Widely used for grinding solder joint, stainless steel handrail, wood ,scissors, blade , etc. NOTE:The electric grinder is not included. Specifications: Adapter: M14 Suitable Electric Angle Grinder: M14 Adapter 115mm (4.5 inch), 125mm (5 inch) Grinding Wheel Spindle: 10mm Input Power: 800W Max Belt Speed: 900-1800RPM Belt Size: 15mm x 452mm Grinding Materials: wood, plastic, stainless steel, metal, etc Item Size: 255 x 83 x 63mm / 10.04 x 3.27 x 2.48in Material: Metal + Plastic Color: As shown Package Contents: 1 x Sanding Belt Head 3 x Working Arm 3 x Sanding Belt 1 x Adapter 1 x Metal Bar Cover 1 x Hexagon Wrench 1 x Dust Removing Pipe 1 x Screw 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.