View cart “591-24A Replacement Needle Bushing Assembly” has been added to your cart. 591-06 Lock Screw$12.50 591-06 Lock Screw quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Lock Screw Related products 591-24A Replacement Needle Bushing Assembly $29.95 Add to cart 591-44 Stud $3.50 Add to cart 591-02 Air Cap $29.95 Add to cart 591-07 Platen $14.50 Add to cart