Size Small and Size Large Ear Hooks for EncorePro 530 & 540 Replacement ear hooks for EncorePro 530 & 540 only Flexible and comfortable Includes size small (88 mm)and size large (92 mm) Size small is also differentiated by a gold pin on top (pin on size large is black) Sold in 2-pack only (small and large are not sold separately) Genuine Poly accessory BTP Model: PL-88814-01MFR Part: 88814-01,85R19AA
