Product Overview
Model 2041 is the same as model 2040 except that it features a stainless steel midsection, which allows the orthotist to adjust the angle of abduction/adduction in 9° increments. This joint can be used on the left and right sides. Flexion/Extension is adjustable in 20 degree increments and Abduction/Adduction is adjustable in 9 degree increments.
(https://www.beckerorthopedic.com/Product/HipAndAluminumThrustBearingJoints/2000HipSeries/2041)