keyway size:

1 x 1/2 in
1/2 x 1/4 in
1/4 X 1/8 in
1/4 x 1/8 in
1/8 x 1/16 in
3/16 x 3/32 in
3/4 x 3/8 in
3/8 x 3/16 in
5/16 x 5/32 in
5/8 x 5/16 in
7/8 x 7/16 in
No Keyway
None