Features: Precise-Shape Duplication: An easier approach to reproduce different forms, perfect for tile fitting, laminate and carpet cutting, ceramic and tool mold taking, and so on. Adjustables and Locking Feature: The tightness can be changed to suit your needs. It is particularly well suited for creating the outline of irregular and complex objects. To assure exact-accuracy, it can be locked and fixed after each adjustment. Easy to Use: Simple actions, such as pushes and draws, and one-handed adjustment. Fix the pencil in the middle, push while drawing, and you can draw lines without error. Both Ends Can Be Used: Both ends can be used because they are designed with a pulleys end and a pointer end. Smoother sketching with the pulleys end, while precise and simple drawing with the pointer end. The pencil clip may be pushed up and down, making it easy to swap out the shape end. Quality and Durable: It is sturdy and long-lasting because it is made of high-quality metal. It's simple to transport and store; simply place it in your toolbox and take it with you everywhere you go. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement               Description: Size: about 35*27*233mm Material: ABS+metal  Package List: Choice 1: 1x Precise Contour-Gauge  Choice 2: 1 Set Precise Contour-Gauge