The 1/4-20 Threaded Insert for Wood from Master Spa Parts are threaded nuts that can be hammered or screwed into material. Used in a pre-drilled hole to provide an extra secure hold between your spa skirting parts.
Stainless steel 3/8" Hex Nut is designed to be used on the fastening components of your spa propulsion system. Stay safe and keep your spa components from coming apart.