-Designed to mount nVent ERICO System 1000 and nVent ERICO System 3000 air terminalsPart Number ER23000SS Material Stainless Steel 304 (EN 1.4301) Product Mid Mast Section Thread Size (TS) 1 1/16 UNC Length (L) 127.75" Thickness (T) 0.12" Outer Diameter (OD) 1 1/4" Hardware Included Yes Unit Weight 16.09 lb Certifications Qualifoudre Standard Packaging Quantity 1 pc UPC 78285664543 EAN-13 8711893016314 -Designed to mount nVent ERICO System 1000 and nVent ERICO System 3000 air terminalsPart Number ER23000SS Material Stainless Steel 304 (EN 1.4301) Product Mid Mast Section Thread Size (TS) 1 1/16 UNC Length (L) 127.75" Thickness (T) 0.12" Outer Diameter (OD) 1 1/4" Hardware Included Yes Unit Weight 16.09 lb Certifications Qualifoudre Standard Packaging Quantity 1 pc UPC 78285664543 EAN-13 8711893016314