Sealey trailer board 4ft with 5m cable sealey tb4 5 composite board fitted with 5mtr 7 core cable and 12volt n type plug includes 2 x e approved reflective triangles and 2 x 4 function lamp clusters stop tail indicator and number plate illumination light pre drilled mounting points 905mm centres sealey tb4 5 trailer board 4ft with 5mtr cable