West System® 405 Filleting Blend. A strong, wood-toned epoxy adhesive filler that mixes easily with epoxy. Use with epoxy when making epoxy joints and fillets on naturally finished wood. Helps create smooth fillets that will need only a little sanding. Designed for fillet bonding, natural wood finishes, joint bonding and structural braces. Can be blended with other West System® fillers to modify the shade of the epoxy mix. Can be blended into any West System® 105 Epoxy Resin®/200 Series Hardener combination, West System® G/flex® 650 or West System® G/5® Five Minute Adhesive. Cures to a dark brown color. Medium Brown. 11 oz.