Base is 2-1/8" O

Engineered for Superior Marine Sound Injection-molded woofer cone bodies and marine-grade suspension components

o-ring in stem

Maximum flexibility of installation

25-Watt bulb 90002-7 (except All-Round and Stern lights which INCLUDE a 12V

Cobra Wire & Cable - Flat Boat Cable , 2-Wire Flat Marine Cable , 50’REELS, Part No. B7W12T-21-50 , Gauge/Cond 12/2 Cruisair Base is 2-1/8" OTinned copper conductors extra flexible Type 3 marine stranding, 105C PVC insulation, 50VDC, 600V AC. Flame retardant white PVC Jacket. UL listed standard 1426 Boat Cable 2 conductor: Color coded Red (positive), Black (negative), for DC wiring applications