The scribe is newly added with stainless steel roller, no stuck shaft, Instead of being restricted to drawing parallel lines, you can draw circles. Aluminum alloy body,The surface is treated with high polymer hardness, comfortable grip, abrasion resistance, scratch resistance and durability. Can be used in a of materials,Ceramic, iron, acrylic, wood, glass,etc.Make your job easier. Stencil new upgraded -diameter clip pen, refill, needle, pencil, etc. are applicable.The extra sharp cutter is hardened and marks a accurate line, cuts wood fibres preventing grain tear out. The scale is clearly visible and easy to measure.Doubles as a depth gauge, Fast and easy to operate with balanced feel. Measuring range: 0-120mm Surface treatment: anodic oxidation Measurement accuracy: 1mm colour: silver Material: aluminum alloy + stainless steel Size: 220mm Package Contents: 1 x Woodworking 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.