Ideal for many hospital departments such as theatres, on wards and in A&E. M8 “levelling” screw lengths included: 2.63″ (6.8 cm) and 7.5″ (19 cm) to accommodate wall spacing 10-40mm and 10-160mm. 60 lbs. (27.2 kg) Arm / 30 lbs. (13.6 kg) Tilt duty ratings (Based on front-end continuous tilt adjustment. Also, refer to duty rating of rail for maximum weight capability).