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 591-23 Replacement Fluid Needle Spring $5.95 Add to cart 591-14A Air Bushing Assy. $36.95 Add to cart 591-26A Air Valve Assy. $19.95 Add to cart 591-09 O Ring $4.50 Add to cart