Sterling Silver 9.0mm Spring Rings - Pack of 6 Mitutoyo pre-filter Particle Capture Rate 90–95%

pre-filter Particle Capture Rate 90–95% of heavier

and fine gauge wire projects

including many standard gravers

Holds up to 114 standard 3/32" burs

Double convex surface profile for producing domed and curved forms

Sterling Silver 9.0mm Spring Rings - Pack of 6 Mitutoyo pre-filter Particle Capture Rate 90–95%These sterling silver 9. 0mm spring ring clasps feature an open top jump ring meaning the top jump ring is not soldered closed making them significantly easier to attach to chains without additional prep work. This open top design is the most popular configuration among professional jewelers for its convenience and versatility. If a fully closed top is required for a finished piece, the jump ring can be closed using a laser welder or spot welder.