[Ultra-Efficient Operation]contour gauge eliminates -step taking step compared to conventional products and marks directly while measuring.[Flexible Measurement]The Contour gauge tool is designed for double-sided use, with a slideable ball and an extendable pointer. It accurately measures irregular shapes and can freely adjust the measuring distance.[Precise Shape Duplication]Contour Gauge makes it easy to replicate a of shapes. Perfect for installing tiles, laminates, carpets, checking dimensions, etc. It can be used for mold installations such as walls, floors, bodywork, woodworking, etc.[Adjustment and Locking Functions]The Contour gauge tool can be adjusted as tightly or loosely as needed for drawing the of irregular and complex objects. It can be locked and fixed after each adjustment to accurate precision.Specification:Fit: Pencil dirameter less than or to 7mmtype: Bcolour: blueMaterial: ABSSize: 220x35mmPackage Contents:1 x contour gauge2 x PencilOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.