LB/LR/LL/OT

L.B. L.L. L.R. O.T. หัวงูเห่า
1/2" 1/2" 1/2" 1/2" 1/2"
3/4" 3/4" 3/4" 3/4" 3/4"
1" 1" 1" 1" 1"
1 1/4" 1 1/4" 1 1/4" 1 1/4" 1 1/4"
1 1/2" 1 1/2" 1 1/2" 1 1/2" 1 1/2"
2" 2" 2" 2" 2"
2 1/2" 2 1/2" 2 1/2" 2 1/2" 2 1/2"
3" 3" 3" 3" 3"
4" 4" 4" 4" 4"