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£97.38 Export price
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Product Information

This Theo Wanne digital tip opening gauge helps you accurately measure the tip opening on a mouthpiece. This is an indispensable tool for musicians with multiple mouthpieces or for traders with a variety of mouthpiece stock.


It can be used to measure unmarked vintage models and new models for accuracy. The gauge body is made from gold anodised solid billet aluminium. The item includes the digital gauge with an accurate tip which allows for great visibility of the tip rail. Millimetre measurements on the side of the gauge measure distance from the tip rail for plotting baffle and rail measurements too.


Instructions for Use:
  1. Turn the unit on by pressing the OFF/ON button
  2. Put the gauge on a flat surface and hit the ZERO button. This is required to calibrate the gauge
  3. Place the gauge on the mouthpiece. The accurate tip (ball like end on the plunger) should be in the centre of the tip rail. This will give the tip opening measurement
  4. Switch between inches and mm using the INCH/MM button

Need Help with this item?

Our specialist trained staff are able to help you. Please contact us or call us on 01628 630800

Why Buy from Dawkes Music?

Dawkes Music are a globally recognized UK based Music Industry company that have expert staff who specialize in products, performance, teaching and repairing in the brass and woodwind sector.

Highly Recommended
You can buy with confidence from Dawkes Music knowing that we’ve been awarded a Feefo Platinum Service award. This recognizes the 8,500 five-star Feefo reviews we’ve received from customer feedback.
14 Day Approval
Try your item at home, in a lesson, in the band, and make sure it’s perfect for you. If you are not convinced, we can refund the item in full upon return. A £5 re-stocking fee applies to any mouthpieces. Reeds are not available on approval.
Quick & Safe Delivery
All in stock items ordered before 2pm UK time are dispatched on the same day (Mon-Fri). Express delivery and courier options are available at the checkout. All orders from outside the UK are sent via Royal Mail or Courier.
Amazing Choice
We carefully choose and stock the best Wind & Brass products on the market. Whether it’s the newest consumables or official replacement spare parts for instruments. We keep over 10,000 stock lines.
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We carefully check pricing to ensure our customers get the best value which also includes our award-winning pre- and post-sale customer support. Our unrivalled expertise is all part of the package.
Here to Help
We have 25 members of staff in-store to assist you, 6 days a week. You can call us, email us, or visit us in store depending on your location. Our award-winning team will be on hand to help. Experience you can trust since 1966!