PRECISE CUTTING - The window gauge is a good partner for carpentry work, marking 45 cutting or reference lines. No more cutting too much and the entire piece of material MEASUREMENT & MARKING - Place a 1/4' offset on the door and window, then cut and trim to fit perfectly. Our positioning measurement mark is a two-inch ruler used to measure and mark short offsets WIDE APPLICATIONS - The profiler is used to replicate irregular edges, such as door frames, stairs, corners, fireplaces and pipes, and to cut and install wood, ceramic tiles or carpet floors without complicated measurements. Easily capture large SUITABLE TO ANY SHAPE - You want to easily copy and transfer any shape you want. Use our measuring template gauge to move the gauge. You only need to fix the pin in place WHAT IS IN ? - The package including : 2 PCS Marks Offset Rulers (Orange and Blue). Made of high-quality plastic plastic, it provides ultra-smooth and high-precision contour markings, and has been processed to more Material:plastic colour:orange + Blue Package Contents: 2 x Measurement marker ruler Only the above package content, other products are not included. Note: Light 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.