The below-mentioned marking crayons are wax crayons, which write on rough or smooth surfaces. They are packaged 12 to a cardboard box, are 10 cm long and have a cross section of about 8.5 mm. They fit the aluminum crayon holder D-91100.

Cat. No. H-31000
Marking crayon, white

Cat. No. H-31100
Marking crayon, yellow

Cat. No. H-31200
Marking crayon, green

Cat. No. H-31300
Marking crayon, red

Cat. No. H-31400
Marking crayon, blue

Cat. No. D-91100
Crayon holder, aluminum
 

The chalks mentioned below are used to make marks on roads, when photographing traffic accidents. The chalks O-19100 to O-19300 contain oil and write on wet pavement, unlike standard chalks. Since the oiled chalks also adhere better, their marks are more difficult to remove.

Cat. No. O-19100
Traffic accident chalk, yellow, 2 x 2 x 15 cm.
Packaged 12 to a cardboard box.

Cat. No. O-19200
Traffic accident chalk, red, 2 x 2 x 15 cm.
Packaged 12 to a cardboard box.

Cat. No. O-19300
Traffic accident chalk, white, 2 x 2 x 15 cm.
Packaged 12 to a cardboard box.

Cat. No. H-31500
Leatherette case with 3 pieces of traffic accident chalk (2 x 2 x 15 cm; yellow, red, white).
 

Cat. No. O-25000
Traffic accident chalk, white, 3 x 5 x 22 cm, oiled

Cat. No. O-25010
Traffic accident chalk, white, 3 x 5 x 22 cm, standard