Muzata 36''x2''x2''Level-Drilled Flat Side Mount Black Post PF02 BH4S handrail T304 stainless steel

T304 stainless steel

But it could be increased to 7 feet if you add a stabilizer post between them

Manufacturer Muzata Model Number HA01 BNP Material POM Style  For Rectangle Handrail HT10 Finish Type Powder Coated

The wide adjustable range makes installation easier

Muzata 36''x2''x2''Level-Drilled Flat Side Mount Black Post PF02 BH4S handrail T304 stainless steelProduct Overview square side mount stainless steel cable railing post with flat top. Pre drilled with 10 pairs of level holes for easy installation on horizontal sections. Made from rust resistant T304 stainless steel for indoor and outdoor use. Meets 3" cable spacing for code compliance Side mounted Installation This 36" square post is designed to be installed against the side of the landing. It is pre drilled with 10 pairs of level holes to work on