The Stanley 70115-S is a metric feeler gauge set comprising 25 precision blades ranging from 0.04 mm to 1.00 mm, neatly folded into a metal holder. Crafted from high-grade stainless steel with anti-rust protection, it?s ideal for accurately measuring gap widths in mechanical or maintenance settings. Specifications Feature : Specification Model : Stanley 70115-S Type : Metric feeler gauge (25 blades) Blade Thickness Range : 0.04 mm to 1.00 mm Material : Stainless steel (anti-rust) Holder Type : Foldable metal case Weight : Approximately 95 g Applications : Valve clearance, spark plug gap, precision gap measurements