"3-1/4 x 2 phenolic wheel, 3/4 RB"
"3-1/4 x 2 phenolic wheel , 5/8 RB"
"3-1/4 x 2 phenolic wheel, 1-3/16 plain bore"
4 x 2 phenolic wheel 3/4 RB
4 x 2 phenolic wheel 5/8 RB
4 x 2 phenolic wheel 1/2 RB
