Application: Adjustable sanding bow is use for grinding in narrow spaces,suitable for sanding on curved and round contour surfaces. Adjustable Sanding Bow:Rotate the nut on the sandpaper holder to adjust the bow and sanding belt tension.Adjustable range:230-290mm. Easy to Replace: The design of metal clips at both ends of the sandpaper holder is convenient for clamping and replacing the sanding belt, and it is stable and does not fall. Comfortable to Hold: The glass fiber handle is non- and comfortable, and conforms to the ergonomic design. Gently press to adjust/replace the sanding belt,strong clamping. Color: Black Material: aluminium oxide Package Contents: 1 x Handheld Bow Sandpaper Holder 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.