The SupaClamp from SUPACAZ is a super light anodized forged aluminum seat clamp. We do not check whether the rated item was purchased from us. SAS Supaclamp Duo Silver Wheel Clamp – 10 to 15 inch Alloy or Steel wheels SAS Trailer Clamp – to fit 8,10 or 12″ central dished steel trailer wheels. If you are unsure of the part you require or if we do not have the part you Toller Trailers carry a good stock of trailer security products includingI used these to attach wires to my trailer rather than the standard steel clips that always turn into a rusty mess & so far no rust so I'm happy. Read I used these to attach wires to my trailer rather than the standard steel clips that always turn into a rusty mess & so far no rust so I'm happy. Read If you are unsure of the part you require or if we do not have the part you Toller Trailers carry a good stock of trailer security products including