Get flies down deep with Coneheads specially drilled to fit PLASTIC tubes.
Large coneheads fit Large Plastic cut-to-length tubes from HMH and Eumer as well as any 1/8" tubing like new Hybrid Tubing Large, Eumer colored tubing and the new Production Tubing.
Medium coneheads fit 3/32" OD Small Plastic cut-to-length tubes from HMH and Eumer and can easily be nested inside larger tubing.
Small coneheads fit 1/16" OD Micro tubing which is super popular for nesting inside larger diameter tubes and is also used as liner tubing in the Aluminum and Copper tubes from HMH.
Available in nickel, brass and black finishes. 10 to a package.