MAXPERKX Stailess Steel Combination Square MAXPERKX combination square set is constructed with a new design from 100% high-quality stainless-steel material and is fully adjustable you can adjust it according to your angle marking. The 12inch/300mm set square carpentry has precision-machined working surfaces for improved accuracy. adjustable set square is designed in CNC-machined working surfaces for more reliable accuracy as well as 45 and 90 marks. The architecture handle is lightweight and holds a hardened removable scribe for marking surfaces as you work. The square tool has multifunctional uses as 90 inside a square 90 outside the square45 inside a square horizontal level vertical level T-square slide marking gauge and depth gauge.