ACR HRMK1304 Socket Assembly #21-T f/RCL-100 Series Searchlights [HRMK1304]HRMK1304 Socket Assembly #21 T for RCL 100 Series Searchlights Replacement lamp socket assembly #21 T. Compatible With: RCL 100 series of searchlights *Sold as an individual WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. Specifications: Type: Parts Box Dimensions: 2"H x 3"W x 5"L WT: 0. 05 lbs