Aluminum Alloy Triangle and Square Ruler size:300mm which is secure and stable

which is secure and stable and more reliable to use

Leakproof: good elasticity

Application: mountain

PCM sampling rate: 16 bits / 48K

so you can place it in any room of the house and finally spend peaceful nights

Aluminum Alloy Triangle and Square Ruler size:300mm which is secure and stableFEATURES Use as a protractor, miter, or framing square Ideal for all building and remodeling projects Strong die cast aluminum construction Must have carpenter's tool for framing, roofing, angling & more Tri square, meter square, protractor, line scriber and saw guide all in one tool Also useful for hobbyists, home builders, manufacturers, artists Used to make precise right angles and as a cutting and drawing guide features preset measurements