Product | DMH VE HXL UHMWPE Bearing Description Dual Mobility Acetabular Hip System, Hip Joints DMH VE HXL UHMWPE Bearing Proven dual mobility design to increase range of motion, decrease wear rate and lower dislocation rate; Size range: 22mm and 28mm inner diameter to fit 22mm and 28mm CoCrMo head and 28mm ceramic head; 34-60mm outer diameter; Highly crosslink process reduce wear rate significantly; Vitamin-E works as antioxidant and secure long lasting product life Additional information DMH and DMH 4X Dual Mobility Hip