100% brand new and high quality. Clear marks for your convenient measurement. Stainless steel material for your long lasting use. It is a ideal measuring tool for engineers or carpenter 12 Inches 300mm Adjustable Engineer CombinationSquare Ruler Set Kit Suitable for measuring, marking out,laying out etc. This measuring ruler can be used for OutsideTri-Square, Inside Tri-Square, Mitre Square, Spirit Level, 45 degree Level, Plumb Level, Depth Gauge, Height Gauge and Marking Gauge With Spirit Level and Scriber Fully Adjustable Includes markings for cm and mm Durable material, make more convenient using
Instructions:
For a 90 degree Angle between the ruler and the handle, after the upper plane of handle and the ruler are parallel, tighten the nut. When you want to move your handle, first loosen the nut and pull it down, let the handle loosen with the ruler.