View cart “591-01 Retaining Ring” has been added to your cart. 591-41 Packing Screw$2.50 591-41 Packing Screw quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Packing Screw Related products 591-39 Fluid Connector $9.95 Add to cart 591-06 Lock Screw $12.50 Add to cart 591-32 Air Connector $9.95 Add to cart 591-26A Air Valve Assy. $19.95 Add to cart