Material: Steel Finish: Black Powder Coated Max Lift Assistance: 17.700 nm (156.66 in-lbf) Asymmetric torque type Counterbalances heavy loads and holds doors and panels in position External mounting style frees up interior space within enclosure Eliminates the need for secondary support components Maintains consistent performance without maintenance or readjustment Installation with M5 or No. 10 screws (not supplied) Watch the Counterbalance Hinge in action here