America customer 2 ton mechanical screw jack actuator is from Jacton Industry. The US customer who import 2 ton screw jack to replace used USA brand 2 ton actuators. Inverted mount, 24:1 ratio, 254mm 10" stroke, threaded end M16*1.5, custom made 178mm length worm shaft, custom made 14mm diameter worm shaft (standard 16mm diam.), custom made mounting holes diameter 12mm (standard 11mm diam.), custom made housing mounting holes 133x80mm (standard 132x80mm), bolt-on stop plate as stop nut.