Constructed using High-Grade, Thick Wall Aluminum Pipe, And Tig Welded At Our Canadian Manufacturing Facility. All D. Riddell Welding & Fabrication Products Are Proudly Made in Canada, And Adhere To Our Strict Quality Manufacturing Procedures. Installation Using 3/8" Bolts x 2 (NOT INCLUDED), Simply Place The Grab Bar In The Desired Location, Mark Holes Through Anchor Plates, Drill & Bolt In Place.