Easy to use: The aluminum alloy positioning block can be moved to the desired position.You can use a marking template to draw a perfect horizontal line while sliding along the working edge.Saving time and improving efficiency.High measuring accuracy and readability: A measuring range of 0 to 30 cm is possible with high precision.Thanks to the laser-engraved metric scale and the matte, glare-free surface, you can easily read the ruler.Precision scale ruler, 45/90 degree/angle line drawing woodworking tools.Specially designed shape?eu which is convenient to use.Widely Used: The steel woodworking gauge is suitable for both length and width measurements as well as a depth gauge, altimeter, etc.Ideal measuring tool for carpenters.Material: aluminum alloy + stainless steel, stainless steel ruler: 33