The Vink Alternating Action calving aid is very well designed, robust and is constructed of stainless steel to ensure long and trouble free service. Has an alternating ratchet action which pulls each leg in turn giving an easier passage for the calf. Available with a long 1.8 metre pole. Especially helpful in difficult presentations. Helps to efficiently draw the calf in the correct way for both normal and breach presentations. The Beef model is specifically designed for the larger continental type of cow. It has a 35mm section shaft and the head is 60mm wider than the dairy model.