GREX A120008 Needle Packing for X1000 Spray Gun Grex from $2.39 $2.65 Qty. Add to Cart SKU: GRX-A120008 This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. This is the GREX A120008 (solvent resistant) Replacement Needle Packing for X1000 Side-Feed Spray Gun. Tweet