Crimping diameter measurement - PPDZ The „D” crimping diameter measurement for aerosol cans with crimped closure of 1 inch (25.4 mm).Easy to useAdjustable tolerance range Crimping height measurement - PPHZ The „H” crimping height measurement for aerosol cans with crimped closure of 1 inch (25,4 mm).Easy to useAdjustable tolerance range Contact height measurement - PPHK The „HK” contact height measurement for aerosol cans with crimped closure of 1 inch (25.4 mm).Easy to useAdjustable tolerance range