Form WDX Plain White Card (125 pk)

Black and white sealed opacity chart. The top is black and the bottom is white. Size: 5-1/2 x 10 in (140 x 254 mm).

Black and white sealed opacity chart. The top half is white and the bottom half is black. Size: 7-5/8 x 10-1/4 in (194 x 260 mm).

Black and white checkerboard pattern spray monitor. Size: 1 x 1 in (25 x 25 mm). Leneta Form M12 Spray Monitor