View cart “591-01 Retaining Ring” has been added to your cart. 591-23 Replacement Fluid Needle Spring$5.95 591-23 Replacement Fluid Needle Spring quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Fluid Needle Spring Related products 591-08 Side Port Control $12.95 Add to cart 591-41 Packing Screw $2.50 Add to cart 591-39 Fluid Connector $9.95 Add to cart 591-01-1 Air Cap Clip $2.95 Add to cart