6pcs (PK-NSTB) L+R Ear Stabilizers Fins Wing Tips for Sennheiser 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.