View cart “591-44 Stud” has been added to your cart. 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 591-41 Packing Screw $2.50 Add to cart 591-09 O Ring $4.50 Add to cart 591-23 Replacement Fluid Needle Spring $5.95 Add to cart 591-03 Fluid Nozzle $29.95 Add to cart