591-20 Needle$19.95 591-20 Needle quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Fluid Needle Assembly Related products 591-26A Air Valve Assy. $19.95 Add to cart 591-08 Side Port Control $12.95 Add to cart 591-32 Air Connector $9.95 Add to cart 591-31A Air Inlet Assy. $9.95 Add to cart