The PTC Model 306RL Durometer is specifically tailored to measuring racing tire hardness. The Model 306RL durometer is the first choice for use by tire manufacturers, technical inspectors, race teams, and engineers fast and accurate tire hardness.
Tailored to measuring racing tire hardness
Used to determine conformance to durometer rules, class rules and the tire manufacturers specifications.
The Model 306RL Durometer is also a great tool for spotting chemically softened tires.
ASTM D2240 (Shore A)
Meets or Exceeds ASTM D2240 Specifications for Type A & D
Durometers come complete with Ancillary Hand, Test Block & Carrying Case