• Set includes four paddles, three with gratings printed on both sides and one solid gray paddle for presentation
  • Measures 17.8 x 32 cm (7 x 12.5 in)
  • Consists of six gratings at 0.3, 0.6, 1.2, 2.4, 4.8 and 9.6 CPCM along with the CPD for the three test distances of 25, 50, and 100 cm (10, 20 and 40 in) printed on the handle