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 591-14A Air Bushing Assy. $36.95 Add to cart 591-32 Air Connector $9.95 Add to cart 591-09 O Ring $4.50 Add to cart 591-02 Air Cap $29.95 Add to cart