1/2" Thick Lock Nut

Listed on the following equipment:
Hammer Strength - Body Weight Abdominal Work Station - BWABWS
Hammer Strength - Body Weight Leg Raise - BWLR
Hammer Strength - Free Weight Decline Bench - FWDB
Hammer Strength - Free Weight Two Tier Dumbbell Rack - FWDR2
Hammer Strength - Ground Base Combo Decline - GBCD
Hammer Strength - Plate Loaded Seated Calf Raise - PLCALF
Hammer Strength - Plate Loaded Seated Dip - PLDIP

* Images may not be identical to part.