CR = cold-rolled sheet metal.

SS = stainless steel sheet metal

16 gauge (ga.) = 0.062" = 1.570 mm thickness

18 gauge (ga.) = 0.049" = 1.244 mm thickness

20 gauge (ga.) = 0.037" = 0.940 mm thickness

22 gauge (ga.) = 0.031" = 0.787 mm thickness

24 gauge (ga.) = 0.021" = 0.533 mm thickness

WARRANTY: Each product carries a limited warranty. If any tool should break as a result of a manufacturing defect, return it to your place of purchase for repair or replacement. This warranty does not cover damage due to misuse or abuse, tools out of adjustment from use, wear from extensive use, improper use and storage, or any other defect or malfunction of the tool that is other than a manufacturer's defect. Refer to our Warranty Guide.