BBlack Semi Enclosed Cable Drag Chain 18mm x 37mm 42.5" Length ReviewbP PP Black Semi Enclosed Cable Drag Chain 18mm x 37mm 42.5" Length PProduct Name : Cable Drag Chain;Material : PlasticPInternal Size : 18 x 37mm 0.7" x 1.4"(H*W);External Size : 40 x 44mm 1.6" x 1.7"(H*W)PTotal Length : 108cm 42.5";Cable Max.Outer Diameter : 19mm0.