The original Wheaton vessels are almost extinct :( Save & reuse your Wheaton vessels as well as others. This decrimper will work on 28mm, 22mm, 20mm, 18mm, 17mm, 15mm and 13mm that have a pedestal. The Decrimper will pay for itself in savings on glassware, aluminum & plastic. Also available in pneumatic. Please send 6 sample containers, crimped for testing before ordering.