• SV197-18 • Support Arm - 18''
• 18'' length • Weight 48 lb
• 6'' x 6'' bolt pattern
• Available in 18'', 24'', 36'' or 48'' lengths
• With 4-1/2'' OD x 18'' stub
• Includes attachment hardware
• Mounting plate is 3/4'' thick by 8'' square
• Mounting plate has four 11/16'' holes on 6'' centers
• Standoff is 4'' x 1/4'' square tube
• Unique welded gussets add strength