Diamond Calk Horseshoe Diamalloy HL18P Groove Joint Pliers

This pair were made early 1973 as evidenced by the 1 in groove near jaws and pat. pend. referring to patent 3739664

The significance of the 1 means that it is the 1st die used after 1972 for that tool.

Plier Type: 
Overall Length: 
Full Plier Image: 
Close-up of Jaws: 
Stampings: 
Plier Manufacturing Date Range: 
Sunday, December 31, 1972 - 19:00