These quality plyers are produced by Leponitt. There are several different ones available, each for a special purpose in glass work. The very basic
3/8 inch Mini Breaker Grozer Grozing Breaker Grozier Pliers for Stained Glass Work
Glass Running Pliers With Rubber Tips Adjustable Screw Heavy - Temu
Running Pliers for Stained Glass
Stained Glass Tools - Pliers Explained
Ultimate Glass Mosaic Tool KIt
Cutter Kit Glass Tile Stained Glass Supplies With Heavy Duty Glass
Studio Pro Diamond Tech 1-Inch Running Pliers New
Diamond Tech Lightweight Running Pliers
Non-slip Handle Breaking/Cutting Glass Plier Stained Glass Tools Flat End Breaker Pliers Flat Glass