591-40 Packing$3.50 591-40 Packing quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Needle Packing Related products 591-41 Packing Screw $2.50 Add to cart 591-23 Replacement Fluid Needle Spring $5.95 Add to cart 591-44 Stud $3.50 Add to cart 591-03 Fluid Nozzle $29.95 Add to cart