GreatNeck 621 Hook and Pick Set (4 Piece). Ideal for separating wires and removing o-rings, small automotive fuses, and snap-rings. It also retrieves washers and loose parts that are too small to pick up with your fingers. Its high visibility handles offer more control and less user fatigue. Hardened and Tempered for Longer Life. Ideal for Separating Wires, Removing O-Rings, Small Automotive Fuses, and Snap-Rings. Retrieves Washers and Loose Parts. Limited Lifetime Warranty