The Guterman (NRC Sports) AG 602S clone history:

The Guterman's supplier (Xpider Co.) copied the Eagnas GC stringing machine to create the AG 602S model.

2003 Eagnas GC II Price: $299.00 2 Stainless steel thumb-adjustable swivel clamps (PN-1002)		2003 Guterman (NRC Sports) AG 602S Price: $379.00 2 aluminum swivel clamp
1998 Eagnas GC Price: $325.00 2 aluminum clamps (PN-1008)		2000 Guterman (NRC Sports) AG 602S Price: $499.00 Import Eagnas GC, 2 aluminum clamps (PN-1008)