Custom Logo Oxford Math Set Tin Box Stationery Set

The compass ruler set automatic lead core window opening model has a metal compass, a 15cm ruler, a protractor, a 45 ° right triangle ruler, a 60 ° right triangle ruler, an eraser and a box of 0.7 lead core. The compass is made of stainless steel metal, which is more durable, with smooth lines and accurate drawing. The maximum diameter can reach 290mm.

The compass is composed of a pen head, a rotary shaft, a compass leg, a ruler, a folding leaf, a pen body, a pen tip, a compass tip, and a small ear. The lower end of the pen head is inserted and connected at the upper end of the pen body, the lower end of the pen body is threaded at the upper end of the pen tip, the flush end of the small ear is welded at the middle of the outer side of the compass leg, and the lower end of the compass leg is clamped and connected at the upper end of the compass tip.