J.W. Winco, Inc. (New Berlin, WI) now offers GN 51.7 Retaining Magnet Assemblies with Ball Knob or Key Ring, with Rubber Jacket, in metric sizes. The rubber jacket is made of black Elastomer (TPE). Assemblies are offered with matte black technopolymer plastic (Polyamide PA) ball knob or nickel-plated steel key ring.

J.W. Winco, Inc.