Cover one end of any Wak-a-Tube with one of these yellow plastic Wak-a-Caps to lower its pitch by an octave. Comes as a pack of 8 caps. Please note: No Wak-a-Tubes are included with this product.
- Fits any Wak-a-Tube
- Lowers the pitch of a tube by one octave
- Sold as pack of 8 caps
- Made in the UK