6pcs (W-NSTB) L+R Ear Stabilizers Wing Tips Fins for Sennheiser In Ear Earphones
Compatible with the Following Sennheiser In Ear Earphones / Headphones. Sennheiser HD1, HD1 Free, HD1 Wireless Neckband. Sennheiser IE Series Sennheiser CX Series Sennheiser CXC Series Sennheiser CXL Series.