Stainless steel slot tube, profile single slot and double slot, especially for handrails Stainless steel slot tubes, profiles Diameter: 25.4mm~101.6mm Thickness: 0.7 to 3.0mm Inch, GA sizes are available Surface available: MF, 180grit, 240grit, 320grit 400grit and 600grit Grade: 304, 304L, 316, 316L Standard: ASTM A554 Application: Mainly for handrails.