12HS300 is biggest InfiniSpring® for maximum loads up to 4000 N and with a load range of 245-300 kg. Spring free height is 176.0 mm and nominal load height is approximately 166.2 mm. Spring is 476.0 mm wide and 12 mm thick. Spring can be fastened using M16 8.8 bolts. Corrosion protection according to ISO12944 C4-H with 720 h salt spray endurance. Color is silver.