The PDT PingRing™ is a durable resin ring designed to be worn on your finger for quick and convenient instrument sharpness testing. When a properly sharpened instrument contacts the ring, it produces a distinctive “ping” sound, providing clear audible confirmation that the correct cutting edge has been achieved.
Ref: D2815-27 F; D2815-32 F; D2815-37 F; D2815-42 F; D2815-50 F














