Davis Instruments Super Quick Fist
Brand: Davis Instruments

Super Quick Fist Clamp
Super Quick Fist is ideal for holding fire extinguishers, oxygen cylinders, CO2 tanks, and other equipment. Mounts easily with three #10 (5 mm) bolts or screws (not included). Can be mounted with strap facing any direction.
Specifications:
Holds objects from 2-1/2 to 7-1/2" in diameter (64 to 191mm)
Each clamp supports approximately 50lbs (23 kg)
Mounting base measures 7/8 x 6" (22 x 152 mm)
Typical uses:
Mount a large fire extinguisher with Super Quick Fist
Super Quick Fist neatly stores chart holders
Super Quick Fist affixes a D-size oxygen cylinder
Two Super Quick Fists hold a 7" CO2 tank

DAVIS INSTRUMENTS 544
DAV544