IMPORTANT NOTESPlease note:Tools Required for Assembly* Thank you for purchasing the ParaBody 813 Gym System. Please read theseinstructions thoroughly and keep them for future reference. This product must be assembledon a flat, level surface to assure its proper function.3NOTE: BOLT LENGTH IS MEASURED FROM THE UNDERSIDE OF THE HEAD OF THE BOLT.BOLT LENGTH RULER:* This product must be assembled on a flat, level surface to assure its proper function. DO NOTsecurely tighten any frame connections until the entire frame has been assembled, unlessotherwise stated.Bolt Length Ruler0 1 2 3 4 5 61/2 1/2 1/2 1/2 1/2 1/2BOLT LENGTH* 9/16” wrench* Ratchet with 9/16” socket* Adjustable wrench* Hammer* Tape measure