Took a call from someone looking for belts to suit an Allen Mayfield machine and noted that there were two Alpha belts listed for the application. I subsequently checked to see what these belts were and then found the following belt references and their cross over and can now offer the following Alpha sizes:

We can supply these in top quality makes including Megadyne/Optibelt and Contitech. Please call or email us for further details.

250
300
355
400
425
475
530
560
600
800
850
900
950
1060
1120