SPECS: Steel, black, matte finish. Ring height measured from top of mount to center of ring; Standard - .823" (2cm), Medium - .885" (22.5mm), Medium High - 1.0" (2.5cm), High - 1.125" (2.8cm), Ultra High - 1.378" (3.5cm). Max-50 - .823" (2cm), Max-50 High - 1.125" (2.8cm). Max-50 Ultra-High - 1-29/64" (3.7cm). Weights; Standard - 6.6 oz (187 g), High - 9 oz. (255 g), Ultra High - 10 oz. (284 g), Max-50 - 10.4 oz, (294 g).