You can start using the product directly out of . Our product has dimensions: 100cm (long) x 3.20cm (wide) (approximately 40x1.26 inches). The teeth height: 0.42cm (0.16 inches). strip is designed to be used in ; it's made of high-quality stainless steel wire material to be sturdy, and works effectively. You can easily use it for your projects for a long time. With curved steel brushes, it holds all kinds of fabrics without losing tension or damaging them, so you can use them without any tools needed. When attached to a frame at a slight curve, the teeth on the strips open up to hold the fabric tightly. This strip can be cut freely according to frame size to fully. It's used for securing fabric or rugs on frames for needle punching and rug tufting projects, whether you're a novice or in sewing! Colour:As Shown Material:Metal Package Contents: 1 x Gripper Strip for Tufing Frame 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.