This handheld dial durometer meets the standards for ASTM D 2240, DIN 53 505, ISO 7619, ISO868, JIS K 6253, JIS K 7215. This handheld dial durometer is designed for use with cellulose acetates, glass, leather, natural rubber, neoprene, nitrite rubber, polyesters, polystyrene, PVC, vinyl, and wax. Plus, it has a 30 Degrees tip.