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Riser and Tread Dimensions

166mm Risers x 250mm Tread
RISERS & TREADS
STRINGER CODE
HORIZONTAL LENGTH (mm)
MASS (kg)
2 risers, 3 treads
S2
750

46

3 risers, 4 treads
S3
1000
68
4 risers, 5 treads
S4
1250
84
5 risers, 6 treads
S5
1500
96
6 risers, 7 treads
S6
1750
117
7 risers, 8 treads
S7
2000
139
8 risers, 9 treads
S8
2250
156
9 risers, 10 treads
S9
2500
170
10 risers, 11 treads
S10
2750
189
11 risers, 12 treads
S11
3000
204
184mm Risers x 250mm Tread
2 risers, 3 treads
E2
750
47
3 risers, 4 treads
E3
1000
65
4 risers, 5 treads
E4
1250
77
5 risers, 6 treads
E5
1500
97
6 risers, 7 treads
E6
1750
114
7 risers, 8 treads
E7
2000
130
8 risers, 9 treads
E8
2250
142
9 risers, 10 treads
E9
2500
170
184mm Risers x 270mm Tread
2 risers, 3 treads
P2
810
57
3risers, 4 treads
P3
1080
75
4 risers, 5 treads
P4
1350
87
5 risers, 6 treads
P5
1620
107
6 risers, 7 treads
P6
1890
124
7 risers, 8 treads
P7
2160
140
8 risers, 9 treads
P8
2430
152
9 risers, 10 treads
P9
2700
180
       
170mm Risers x 300mm Tread
2 risers, 3 treads
T2
900
56
3risers, 4 treads
T3
1200
77
4 risers, 5 treads
T4
1500
98
5 risers, 6 treads
T5
1800
116
6 risers, 7 treads
T6
2100
133
7 risers, 8 treads
T7
2400
150
8 risers, 9 treads
T8
2700
173