The Guterman (NRC Sports, Polo Sport) AG Tool Kit clone history:

In 2002 the Guterman's supplier (Xpider Co.) copied the Eagnas ST-106 stringing tool kit to create the AG Tool Kit model.

1985 Eagnas ST-106 Price: $12.95		2002 Guterman (NRC Sports, Polo Sport) AG Tool Kit Price: $26.00-$29.95
1 plastic tool box 1 needle nose pliers 1 diagonal cutter 2 awls 1 string hook 1 hand tensioner		1 plastic tool box 1 needle nose pliers 1 diagonal cutter 2 awls 1 string hook 1 hand tensioner