PN#035150  SKU#8430  Glad-Lock™ Gladhand Lock with Two Matching Keys. Application: Universal. Type: Lock. Material: Polypropylene. Note: Glad-Lock™ is a trademark of Velvac, Inc. Rugged polypropylene gladhand lock helps prevent unwanted connections to tractors and trailers. Universal design for use on many types of aluminum or iron gladhands. Two keys furnished with each lock.