Feature:1. ANALYTICAL TOLERANCE: This tile shingle gauge is designed with the tightest analytical tolerances. Measuring the thickness of tiles allows you to evaluate tile thickness and warranty necessity.2. APPLICABILITY: The tile roof measuring tool can estimate the levels of asphalt composite wood shingles, three piece fiberglass, three piece organics and laminated wood shingles.3. 2PCS IN KIT: There are two wood shingle gauges available in the shingle roof measuring tool kit, strip board gauges in quantities to meet your daily home improvement needs.4. EASY TO CARRY: The shingle gauge is small and compact, very easy to carry when you use it, and there is a 5inch ruler on the other side.5. EXCELLENT STAINLESS STEEL: The roofing shingle gauge is made of excellent stainless steel with a thickness of 3mm, high hardness, rust resistance and longer service life.Specification:Item Type: Shingle GaugeMaterial: Stainless Steel.Package List:2 x Shingle GaugeNote:Only applicable to asphalt composite shingles installed before January 2011.