2021 New Multi Angle Measuring Ruler Specification: 12 sections, each section 175mm, width 25mm, made of thick 2.5mm aluminum alloy material, tough and not easy to bend.High-definition metric and imperial double scale: Laser etching, clear and wear-resistant, with metric and imperial scales.Flexible and multi-purpose: The 12-section aluminum alloy ruler can be disassembled at any time, lengthened or shortened, and connected at will. It can effectively locate and measure regular and irregular objects. Our positioning head can help you to wire the box , Floor drain is located and measured, saving your construction time, precise positioning and precise construction.Support multiple apertures: Our universal positioning ruler supports a variety of hole diameters, such as: 20mm, 25mm, 40mm, 45mm, 80mm. It can meet most of your needs. It can provide perfect and efficient solutions for tile installation, floor installation, and object measurement for carpenters, woodworkers, bricklayers, construction workers, etc.Efficient locking: The use of brand-new industrial-grade reinforced material bolts can efficiently lock, prevent back and forth movement, and prolong the service life.