Profile: P & M Mfg., Inc. specializes in the manufacture of quality construction attachments. Our products include machinery theft-deterent device, lock body, trailer pintle lock, skid-steer lock and 14" steel rollerwheels. Our shackle less lock body is a stainless steel six pin cylinder housing tumbler lock designed to prevent removal by bolt cutters. Our machinery theft-deterent device is a stainless steel, lightweight & easily portable patented security device designed to immobilize most types of construction equipment machinery including loader/backhoes, skid steer loaders, crawlers, graders and articulated loaders.