(1) There is a very specialized hex bolt at the end of the olympic bar, integral to keeping the weights in-place.
Replacement Hex Bolts & 12mm Hex Allen L-Wrench Tool Fit for Olympic & Curl Bars
Hex Bolts 12mm Hex Allen L-Wrench Tool for Olympic Bars,Tricep Bars,Dumbbell Bar
Replacement Hex Bolts & 12mm Hex Allen for Olympic Bars Curl Bars Tricep Bars
Hex Bolts 12mm Hex Allen L-Wrench Tool for Olympic Bars,Curl Bars,Dumbbell Bars
Hex Bolts and12mm Hex Allen L-Wrench Tool for Olympic Bars Tricep Bars Dumbbell
Replacement 2 Pack Hex Bolts for Olympic Bars Curl Bars Tricep Bars Dumbbell Bar
