Features Sturdy ABS Material: This marker offset scale is made of high quality ABS material, exquisite workmanship, not easy to age and deformation, not easy to wear, long service life. Easy To Use: This multi-functional parallel line ruler is easy to operate, easy to use, easy to scribe, can achieve perfect fit, with 45° cutting and guiding line, can make doors and windows cut or trimmed perfectly. With Level: This 45° cutting and marking tool can be used for cutting or scribing, and the body is equipped with a level for measuring the horizontal effect of windows and doors, which is practical. Small and Portable: The ruler for trimming mark offset is made of professional craft, with good wear resistance, small and portable, you can take it anywhere to use. Thoughtful Service: Our products are strictly inspected before shipment. If you have any questions about our mark offset ruler, you are welcome to contact us and we will be happy to serve you. Specification: Item Type: Trim Marks Offset Ruler Material: ABS Measuring Ruler Size: Approx. 51 x 51 x 13mm / 2.01 x 2.01 x 0.51in Center Hole Diameter: Approx. 20mm / 0.79in Package List: 2 x Trim Marks Offset Ruler Package List 2 x Trim Marks Offset Ruler