Identification & Application Diode LED DI-1912 Square & 45 Degree Channel Vertical Stopper Pair. The Diode LED DI-1912 is a vertical stopper pair designed for use with compatible Diode LED Square Channel and 45 Degree Channel systems to provide secure positioning and controlled channel termination within linear lighting installations. This accessory is intended for use with compatible Square Channel and 45 Degree Channel installations in undercabinet lighting, display lighting, shelving illumination, task lighting, accent lighting, retail environments, hospitality spaces, commercial interiors, and architectural linear lighting applications. The vertical stopper design helps maintain channel alignment and positioning while supporting clean installation layouts and controlled channel placement. The components assist installers when creating custom linear lighting assemblies that require positive stopping points within channel systems. This accessory is well suited for commercial, residential, hospitality, retail, and specification-grade projects where contractors, electricians, and installers require compatible hardware for Square Channel and 45 Degree Channel LED tape light systems. Technical Performance Specifications Brand: Diode LED SKU/MPN: DI-1912 Product Type: Channel Vertical Stopper Pair Mechanical: Vertical stopper components for compatible Square Channel and 45 Degree Channel systems Environmental: Indoor LED tape light applications Mounting: Compatible with Diode LED Square Channel and 45 Degree Channel installations Application: Provides controlled channel positioning and stopping points within channel assemblies Pack Quantity: Pair Documentation: See manufacturer spec sheet for additional details