Specialty bars like farmers, stubby axle bars, log bars, or ANY BAR WITH A 1.9" DIAMETER require collars designed for clamping 1.9" bars.

The Lock-Jaw PRO - AXLE collar is exactly what you need for all specialty bars.  

The larger lever and SPRING LOADED SNAP LATCH ensures easy installation and removal of the collar during workouts. The exceptional clamping force keeps the weights secured during workouts, while the elastomer pads and the resin frame protects the bar and plates from damage. LOCK-JAW PRO - AXLE is your ideal choice for all specialty bars.