"3 x 1-1/4 phenolic wheel, 1/2 plain bore"
"3-1/4 x 1-1/2 phenolic wheel, 3/4 RB"
"3-1/4 x 1-1/2 phenolic wheel, 5/8 RB"
"3-1/4 x 1-1/2 phenolic wheel, 1/2 RB"
5 x 1-1/4 phenolic wheel 1/2 plain
4x1-1/4 phenolic
