steel sign frame: 1.double rider sign frame 2. powder coated finish 3. angle iron:20*20*3mm Double rider steel sign holder frame:1. 3/4in. Angle Iron2. Will hold from a .040 aluminum up to a 1/4in. wood sign face.3. Welded on Spring Clips, keeps sign tight against frame4. No rattling of sign. No tools or extra clips required!5. Holds 18h x 24w sign6. with two rider slot for 6h x 24w Name rider or ...