GRENPRO Combination Square Set, 7 & 12 Inch Aluminum Zinc Carpenter Tool

M6R Cuts straight lines and left arcs, M7R Cuts straight lines and right arcs | Offset blades keep hands clear of metal while cutting | Blade serrations hold material firmly and spread cutting force uniformly across blade edge, improving cut quality and tool life | Cuts up to 18-gauge low carbon, rolled steel | Spring-action handle for a faster, effortless feed