2 inch Banjo Poly Full Port Ball Valve 4 Bolt DesignV100* Precision Molded in Polypropylene - reinforced with fiberglass for additional strength* Sizes 2 inch through 4 inch with FKM seals. * 304 Stainless Steel Bolts and nuts* Self-aligning ball moves freely against the PTFE seats for smooth operation. * The valve opens or closes with very little pressure on the handle. * Ball is diamond turned, after molding, to make it spherically perfect, which provides precise contact between ball and seats. * PTFE self-lubricating stem bushings and seats cannot stick or bind.