KOSO ELECTRO LED arrow black with homologated smoked lenses. Dimensions: Width A: 52 mm Width with rubber rod B: 67 mm Height C: 13.5 mm Depth D: 14 mm Rubber rod: 15 mm Threaded bolt: M8x 1.25 Weight: 27 g Connections: Red cable = indicator (+) Black cable = ground (-) Delivery volume: 1 piece. To learn how to connect the resistors to the LED arrows click on the "INSTRUCTIONS" button.