Image 1 of 1 RING 'TruckMaster' Heavy Duty Long Life Stop Flasher Reverse BAU15s 24v 21w (10) - ERLL588 £14.30 Volts/Watts 24V 21W Qty : 10 Add To Cart Added! Volts/Watts 24V 21W Qty : 10 Off Set Pin (SCC). Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like RING Stop Flasher Reverse Amber BAU15s 12v 21w (10) - ER581 £8.25 RING 'TruckMaster' Side & Tail Lamps W2.1x9.5d 24v 3w (10) - ERTM505 £4.78 RING Stop/Tail Lamps W21/5W W3 x 16q (10 x 1) - ERB580 £17.30 RING Stop Reverse Lamp W2.1x9.5d Capless 12v 16w (10) - ER955 £9.95 RING 'TruckMaster' Side & Tail Lamps Cap Heavy Duty Long Life - BA9s 24v 4w (10) - ERLL249 £6.28