Combination Hip Abductor and Knee Extender with Pommel. This abductor positions the heels away from the body and the 90 degree wedge extends the knees to help prevent skin breakdown. Material: Foam, with an easy to clean vinyl cover, Color: Mauve. Size: 14"W x 24"L x 8-1/2"H, Pommel: 3"W x 3"L x 7"H.