The 3M 153397 is a MVB18-47PX 22-18 Pin Terminals Vinyl Insulated Butted Seam Wire Range that comes with 22-18 100 per Pack. It has a butted-seam barrel that is covered by a funnel-designed, rigid-molded, polyvinyl chloride sleeve to guide the wire into position while providing electrical contacts and mechanical stress relief at the point of insulation. The abrasion-resistant, flared, vinyl-sleeve insulation ensures easy crimping. It is a genuine 3M product.