Features EXCELLENT PERFORMANCE: Made with fine workmanship, possess compact appearance and stable performance, can ensure durability and stability. WEAR RESISTANT ABS: made of high quality ABS material, which feels smooth and solid, wear-resistant and durable, very practical. With level: can be used for cutting or marking, and with the spirit level on the body, the levelling effect of doors and windows can also be measured. Good help: easy to score for a perfect fit, 45° cut and guide lines are available to cut or trim windows and doors perfectly. DURABLE LINEAL: the cutting mark offset ruler is small and lightweight, has good wear resistance and long service life, and is easy to use. Specification: Item type: Crop mark offset ruler Material: ABS Measuring ruler size: approx. 51 x 51 x 13 mm / 2.01 x 2.01 x 0.51 inches. Centre hole diameter: approx. 20 mm. Package list: 2 x trimming mark offset ruler Package List 2 x Trim Marks Offset Ruler