SUPER QUICK FIST SUPER SMALL 2/BAG
Holds objects 1" to 2.25" (25 to 57mm) in diameter.
Each clamp supports a safe working load of 25lbs (11 kilos). 
2 clamps support 50lbs (23 kilos).
Mounts easily with one #10 bolt or screw.
Mounting area: 2 3/4" x 7/8" (70x22mm).