It can be mounted on all REX vacuum syringe models in the 200, 300, 400, 700 and 900 range as well as the RKF 130 hydraulic Piston filler. The holder is connected directly to the syringe, does not have its own drive, and is therefore economical to operate and protected against rapid wear. Optional equipment: The REX DHG can be equipped with a table for placing the twisted product, alternatively, the product can be transferred to the RKS 85 calibration system.nIn addition to working with natural casings, the DHG 400 can be easily retrofitted for twisting collagen and artificial casings.nThe fixed holder REX DHG 400 can be retrofitted (optionally) with a pneumatic advance and stop device when the end of the casings is reached, which increases productivity. The optional splash guard is designed to provide additional operator convenience and guarantee safe operation, which is especially important when producing natural casing products.