| Hole Size (In.) | Hole Size (mm) | Description | PRIMEdge # | 
 
 | 1/16 | 1.6 | Premium 56 x 1/16" Hard Steel Plate | GP-5116 | 
 
 | 5/64 | 2 | Premium 56 x 5/64" Hard Steel Plate | GP-5564 | 
 
 | 3/32 | 2.4 | Premium 56 x 3/32" Hard Steel Plate | GP-5332 | 
 
 | 7/64 | 2.8 | Premium 56 x 7/64" Hard Steel Plate | GP-5764 | 
 
 | 1/8 | 3.2 | Premium 56 x 1/8" Hard Steel Plate | GP-518 | 
 
 | 9/64 | 3.5 | Premium 56 x 9/64" Hard Steel Plate | GP-5964 | 
 
 | 5/32 | 4 | Premium 56 x 5/32" Hard Steel Plate | GP-5532 | 
 
 | 3/16 | 5 | Premium 56 x 3/16" Hard Steel Plate | GP-5316 | 
 
 | 1/4 | 6 | Premium 56 x 1/4" Hard Steel Plate | GP-514 | 
 
 | 5/16 | 8 | Premium 56 x 5/16" Hard Steel Plate | GP-5516 | 
 
 | 3/8 | 9.5 | Premium 56 x 3/8" Hard Steel Plate | GP-538 | 
 
 | 1/2 | 13 | Premium 56 x 1/2" Hard Steel Plate | GP-512 | 
 
 | 5/8 | 16 | Premium 56 x 5/8" Hard Steel Plate | GP-558 | 
 
 | 3/4 | 19 | Premium 56 x 3/4" Hard Steel Plate | GP-534 | 
 
 | 1 | 25 | Premium 56 x 1" Hard Steel Plate | GP-501 | 
 
 | 1-1/4 | 32 | Premium 56 x 1-1/4" Hard Steel Plate | GP-5114 | 
 
 | 1-1/2 | 38 | Premium 56 x 1-1/2” Hard Steel Plate | GP-5112 |