Toolusa 5 &frac12; Inch External Ring Clamp Tweezer: S1-08579 5.5-Inch long - sliding lock mechansim to hold object being held Made of durable stainless steel for long lasting use Precision made - curved jaw used to hold ring shank - flat jaw is textured to prevent movement Easy to use - great to hold rings - great to hold bezel on ring while soldering Professional quality - an indispensible tool for jewelers!