【High Quality】Chaohua rafter square made of precise and durable CNC-machined aluminum alloy, which is light and convenient. Good oxidation resistance, not easy to break, each triangle ruler is thickened, corrosion-resistant and high hardness.

【Wide Versatility】Easy to read level vial and a metal scriber on the side of the combination ruler increase product practicality and versatility. The rafter square can be used as a guide for cross-cutting lumber. They both work accurately at an angle 90 degree or 45 degrees.

【Clearly Identifiable Scale】The rafter square finishing features low glare and protective powder coated. It has permanent deep markings and white graduations for max Readability any lighting. The stainless steel ruler of combination square has deep etching scale for superior legibility and long-lasting usage.