Plastic

Steel

9 1/2"

12 1/4"

13"

14"

14 3/4"

15 1/2"

16"

16 1/2"

16 3/4"

17"

17 1/4"

17 3/4"

18"

18 3/4"

19"

19 1/2"

20"

20 1/2"

21 1/4"

22 1/4"

23"

23 1/2"

26"

27 1/2"

28 1/4"

28 1/2"

29"

29 1/4"

29 1/2"

29 3/4"

30"

31"

31 1/2"

32"

35"

37 1/2"

38 3/4"

40"

43 1/2"

26 1/4"

31"

32"

34"

37"

38"

40"

47"

48"

51"

54"

56"

58"

60"

70"

80"

100"

14"

23"

32"

42"

46"

47"

47 5/8"

49"

53 1/2"

55"

59"

62 1/2"

64"

70 1/2"

16 1/4"

17 1/4"

18 1/4"

21 3/4"

Compliant

Not Compliant

Compliant

Not Compliant

EAR99

Exempt

27"

29 3/4"

30 3/8"

32 1/4"

33 7/8"

35"

38"

38 5/8"

41"

42 1/4"

43 3/4"

49 1/2"

66 5/8"

Polyethylene

Steel

Less than 500 lb.

500 lb. to 999 lb.

1,000 lb. to 1,999 lb.

2,000 lb. to 3,999 lb.

4,000 lb. or greater

Not Rated

30"

32 1/2"

36 1/2"

44"

48"

48 1/2"

56 3/4"

57 3/8"

60 1/2"

64 1/2"

65"

66"

70 3/4"

72"

72 1/4"

80 1/2"

17 3/4"

18"

19 3/4"

20"

21 3/8"

22 1/8"

23 3/4"

24"

28"

28 1/8"

28 1/2"

30"

31"

31 3/4"

35 3/4"

44 1/2"

50 3/8"

Flip Up

Lift Off

Slide Open

Step Open

Threaded

22"

24 1/2"

26 7/8"

27"

28"

28 1/2"

30 1/4"

32"

33 1/2"

35"

43"

Iron

Plastic

Rubber

One Swivel and Two Rigid Casters

Two Rigid Casters

Two Rigid and Two Swivel Casters with Brakes

Two Swivel and Two Rigid Casters

Two Swivel and Four Rigid Casters

Two Swivel Casters and Two Axle-Mounted Wheels

Four Swivel Casters