ITEM NAME:R26-80mm Measure Tool 16 Leaves Metal Radius Gauge Gage L5C2 R26-80mm Measure Tool 16 Leaves Metal Radius Gauge Gage L5C2 Radius gauges require a bright light behind the object to be measured. The gauge is placed against the edge to be checked and any light leakage between the blade and edge indicates a mismatch that requires correction. It is a kind of observational measurement because of its visual test way. R26-80mm includes 16 pcs blades, radius as 26mm, 27mm, 28mm, 29mm, 30mm, 32mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm. Product Name : Radius Gauge Standard : R26-80mm Blade Number(Each) : 16 Material : Metal Color : Silver Folded Size(Approx) : 7.2 x 2 x 1.3cm / 2.8" x 0.8" x 0.5" (L x W x T) Net Weight : 64g Package Content : 1 x Radius Gauge Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.