The patent of tri-angle layout square with double raws of holes is just successed and passed the certificate

https://i.trade-cloud.com.cn/upload/6609/file/20220711/patent-of-tri-angle-layout-square_400818.pdf

The tri-angle layout square with double raws of holes with different sizes is designed for the workers who need to draw the holes and marking.

The tri-angle layout square with strong aluminium material which can keep shape and won't twist.

The tri-angle layout square with black electrophoresis or anodized with different colors surface treatment which can match your mian color and without conflict.

The tri-angle layout square with CNC machined on all the edges of squares to promise the professional accuracy to be 0.05mm.

The tri-angle layout square with with metric or imperial scales which can suit to different markets.

The tri-angle layout square with 4mm thick and 195g weight, with cheap price and good quality.

Waiting for your check and test. we are the original factory, we can supply sample if you need.