Description: SINGLE NEEDLE DISPLAY: Mortice Gauge Single needle display suitable for most types of underlining. STURDY MATERIAL: Our mortise gauges are made of ebony and copper, which are strong, hard, durable, rust proof and can be used for a long time. ROTARY HANDLE: Rotate the handle to adjust the distance between thetwo needles. Fastening screwsFast and reliable, easy to screw. MULTIPURPOSE: This ruler can draw straight lines on wood, with a large adjustment range, suitable for amateur DIY and skilled carpenters, mainly used for marking, scribing, arranging on various joinery or other wood products. NOTE: The needle is sharp, do not touch. This Woodworking scribe is only suitable for straight line use of wood. Can not be used to mark materials other than wood, otherwise it may beirreversibly damaged. Specification: Material: Wood + Copper Size Chart: Overall Length: 220mm/8.66inch Card Wood: LxW: 27x57mm/1.06x2.24inch Copper Head: 23mm/0.91inch Copper Tail: 78m/3070.87inch F Card Wood Width: 18mm/0.71inch Package Includes: 1x Woodworking Mortice Gauge Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!