50W TH323 Track Head Gimbal Ring Brushed Nickel Finish by Satco Nuvo Lighting TH323 Transitional One Light Track Head from Track Heads Brushed Nickel collection in Pwt, Nickle, B/S, Silver. finish, 4. 50 inches Item Size: Length: 4. 50 inches Height: 2. 25 inches Width: 2. 00 inches Style: Transitional Light Type: Track Lighting Safety Rating: UL and Number of Lights: 1, Bulb Type: MR16, Bulb(s) Included: No.