I-beam Pull up Bar/Chin up Bar (Yellow Long Bar with Bent Ends) PRO Mountings DESIGNED BY PRO MOUNTINGS THE PB-100 IS THE FIRST I-BEAM PULL UP BAR! 3 DIFFERENT GRIP POSITIONS: WIDE AND CLOSE ON ONE SIDE, NEUTRAL ON THE OTHER FABRICATED FROM 1-1/4" HEAVY WALL STEEL TUBE - INSTALLS IN MINUTES THE STEEL CONSTRUCTION FITS I-BEAMS AND H-BEAMS FROM 3.5 TO 10" MADE IN THE USA!! LIFETIME WARRANTY AND 30-DAY MONEY BACK GUARANTEE