[Product Specification] Thickness Gauge For Metal Roofing And Membrane Roofing Single Double Ply. (The magnet is attracted to it and is well protected from damage. ) [High Quality Materials] The Panel & Membrane Gauge Shingle is made of high quality thick stainless steel. [Easy to Use] This Panel & Membrane Gauge Shingle itself has a very solid feeling in your hand. Handy tool to have on hand. It scales for three materials: Steel, Aluminum and Single-ply. It is a snap to use. Just slide it into slots until it no longer slides in, and read the thickness. [Wide Range of Applications] This Panel & Membrane Gauge Shingle is widely used in building industry, home, pro workshop, measuring sheets of metal as well as corrugated roofing panels. The production process has been upgraded. Compared with other similar measuring tool for roof shingle, we have 4 major advantages: 1. Higher . 2. More Wear-. 3. More . 4. Higher Hardness. It give you a better experience., Manufacturer: Ounfhtrttk