FEATURES: Aluminum alloy material, light, strong and durable Free splicing and expansion, suitable for longer spaces Slide rail design, easy sliding, flexible and free Metric and imperial dual scale ruler, flexible adjustment of any angle SPECIFICATIONS: Name: stair tread template tool Material: aluminum alloy + ABS Weight of the whole set: 1046g/2.3lb Red ruler thickness: 4.8mm Edge ruler thickness: 6.5mm PACKAGE INCLUDES: 1 x stair tread template tool set 1 x storage bag UPC Does not apply Material Aluminum alloy , ABS Brand Unbranded Type Stair tread template tool .