MA77500 Klenk 12" Folding Tool Lightweight Same size steel folding tool would weigh 20 oz. Klenk's aluminum folding tool weighs only 10 oz. Klenk's extruded aluminum folding tools are strong yet lightweight -- less than half the weight of s One-piece aluminum tool has no spotwelds to break loose. Ergonomic shape and finger ridges allow bet Sight holes allow proper depth alignment. Folds 3/8" and 1" depths. Folding tools are available in 12", 18", and 24" lengths.