Pair – and Rear Combo Work light: Includes LED Bulbs: Works with 12 volt system. IH Farmall: A, AV, B, BN, C, Cub, H, HV, I4, I6, I9, ID6, ID9, M, MD, MDV, MV, O4, O6, ODS6, OS4, OS6, 100, 130, 140, 200, 230, 240, 300, 330, 340, 350, 400, 450, 600, 650, Super A, Super AV, Super C, Super H, Super HV, Super M, Super W4, Super W6, Super W9, TD14, TD15, W4, W6, W9, WD6, WD9, WDR9, WR9, Crawler: 14A, 18A. 4 3/4″ Lens; Threaded stud length 2 1/2″. This is not the Flat Back Headlight Style: Standard 12 Volt Bulbs will come installed with these lights. The LED Bulbs included will need to be installed. Parts listed are “made for”, “compatible with” and/or “fit” the respective makes and models listed if applicable.