Jump rings. Made of stainless steel, the Coil Cutting Pliers feature a jaw which firmly but gently grasps coils ranging from 4.50 to 9.0 mm (outside diameter). The jaws feature slits that allow the user, with a jewelers saw and a 2/0 sawblade, to quickly cut multiple jump rings. Pliers are box-jointed, with PVC comfort grips. Length 7" (175mm).