Handrail Stem | Balustrade Components Stainless Steel Handrail Stem. High quality stainless steel in a brushed finish. Adjustable Handrail Stem is formed from Stainless Steel Grade 304 or Grade 316. Adjustable Handrail Stem will suit 42.4 diameter CHS x2 THK and it is a glue type fitting. You can find our other Balustrade Components here.