View cart “591-20 Needle” has been added to your cart. 591-42 Retaining Ring$3.50 591-42 Retaining Ring quantity Add to cart Category: TB591 Adhesive Spray Gun Description Description Replacement Retaining Clip Related products 591-01-1 Air Cap Clip $2.95 Add to cart 591-07 Platen $14.50 Add to cart 591-26A Air Valve Assy. $19.95 Add to cart 1 TB-591 Spray Gun $175.00 Add to cart