The TrigJig Carpenter Squares are aimed at professional and keen woodworking hobbyists that intend to buy a square and keep it for life. The CS series are fully CNC machined from the best European cast T6 aluminium available. They are designed with a single piece body to ensure absolute right angle precision, with two high quality cheeks attached and located using stainless steel locating dowels. The CS series also include hand ruler scales for ease of marking and measuring. The tools are coated with 15um+ anodised layer that far exceeds that of lower cost alternatives to ensure super longevity.