The world-wide best selling calving aid from Europe. Hangs-on to the cowwhether she is standing or goes down in the middle of the job. Thepermanently attached holding frame fits over the cow´s hip bones, actingas a steady and fixed base from which the Calving Jack tilts and pullsregardless of whether the cow stands, sits or stretches out. This calfpuller was developed after extensive institutional research into theforces required for the safest and most humane birthing assistance. Allstainless steel. Standard pole is 1.6m long and long pole 1.8m long. Thelong pole will fit the standard model Calving Jack. Rump frame 51cm wide(inside measurement).