These are the same steel rings included with our Truck Ring apparatus tags.
Diesel Technology: Fundamentals, Service, Repair [8 ed.] 1619608324, 9781619608320
Fire Hooks Unlimited: J-ROD REX Forcible Entry Tool – The Firefighting Depot
3 Split Ring — R.J. Machine Company, Inc. 8 WEDGE forcible entry tool, accountability tags & fire safety products
Efficient Forcible Entry Door Wedge - Use the Motis Wedge to force a gap on locked doors when using forcible tactics to gain entry. Use the tip of the wedge to pry a small gap so you can use a shove knife or loid tool for gaining entry when force is not needed. It’s a worthwhile addition to your set of firefighting tools and equipment. Effective Door Chock - Our wedges also double as door stoppers. Secure a clear way out by using this metal tool as a door stop.
Motis Forcible Entry Wedge (2 Pack)
Wedgin' Tool LLC forcible entry tool
References - Handbook of Structural Life Assessment - Wiley Online Library
Simpson Strong-Tie STB2-37334P1 3/8 x 3-3/4 Zinc Strong-Bolt2 Wedge Anchor 1ct
8 WEDGE® - 8 WEDGE and Firefighting tools and accountability products — R.J. Machine Company, Inc. 8 WEDGE forcible entry tool, accountability tags & fire safety products
Aluminum Forcible Entry Wedge For Firefighters – Revolution Fire Gear