Size: Kit includes drill adapter spindle for easy installation on any household power or air drill. FAST AND EFFICIENT: The rubber wheel tool set can withstand up to 4000 RPM. This rubber wheel remover is most effective between 1500-3000RPM. Safe and environmentally friendly: The decal eraser wheel is made of high-quality soft rubber. It won't scratch or damage the paint. It contains no toxic chemicals or skin-irritating adhesives, making it safe to use in car paint and environmentally friendly. EASY TO USE: The rubber wheel decal remover comes with a drill adapter and can be easily installed on any household electric or pneumatic drill. Wide Application: The decal eraser effectively removes vinyl decals, graphics, pinstripes and other adhesives from a variety of surfaces including cars, trucks, RVs, windows and metal trailers. However, they are not suitable for use on plastics and varnish coatings, and may not be effective on some reflective tapes. Before applying completely, test a small area of the surface. Material: rubber colour: As Shown Package Contents: 4 x remover 4 x adapter 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.