Miller® Spring Clip is compatible with Big Blue® 400D/500 X and is ideal for welding applications.Miller® Spring Clip For Big® Blue® 400D/500X Engine Driven Welder/GeneratorSKU: 208469Quantity*OrderProduct Attributes Product Type » Spring Clip Torch/Machine Model » Big® Blue® 400D » Big® Blue® 500X Engine Driven Welder/Generator