Feature: 1. Material: Made of high quality stainless steel material, very sturdy and durable. 2. Easy to Disassemble and Assemble: it can be moved and adjusted, clip it on when it is in use, and take it off when it is not in use, which is very flexible. 3. Portable: Small, durable, easy to use, and can even come and go inside the sleeve. 4. Function: The opening on the head of the auxiliary device is specially used to clamp the inner seam for fixing. 5. Sewing Machine Parts: Simple to install and easy to use, it is an essential part of a sewing machine. Specification: Item Type: Quilting Guide Product Material: Stainless Steel Specifications: 1 Set Product Use: Industrial Sewing Machine Scope Of Application: Most Scenarios. Package List: 1 x Quilting Guide1 x Hex Note: 1. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thanks!2. Due to manual measurement, please allow 1‑3cm measurement deviation.