TK019_21MM
Material: ALU6061, t=3.0mm, used for backpacks, bags, golf bags and many other uses.
TK025_38MM
Material : CR Steel t=2.0, Used for bags requiring strength. Approximately, Tensile Test is about 130kgf.
TK040_38mm
Material:ALU6061-T6 , t=4.0mm, Used for backpacks, bags, golf bags, and various
TK042_38mm
Material:ALU6061-T6 , t=3.5mm, Used for backpacks, bags, golf bags, and various