This leather stitching Ponies can be adjustable. You can adjust it you want for a comfortable working height This leather Ponies clamp comes with sanding strips and sandpapers, perfect for your sewing work You can adjust the table thickness according to the table thickness to fix the clamp This stitching Ponies is used for clamping leather, releasing your hands when you need to sew, and helping you save time effectively This leather Ponies withf adjustable table thicknesses from 10-70mm