Description Submersible Stud Mount Traditional Style Combination Tail Light Set Submersible design suitable for many applications; Screw-on lens, easy to change bulbs; Stud mount on 2" centers; Grounds through mounting studs; Shock-proof socket guarantees long bulb life; Acrylic lens and corrosion proof plastic housing; Kit includes ST4RB, ST5RB, and mounting hardware Trailer Light Kit; Red; Submersible Over 80 Inch Combination Tail Lights And Hardware; Submersible over 80" trailer light kit; includes two stud mount tail lights and mounting hardware