Jonard Tools TTBW-158 Steel Barrel Fastener Plunger Tool - Utility Key

In this review of the Jonard Tools TTBW-158, the bottom line is simple: this is a purpose-built utility key for technicians who need a reliable way to operate specific #6 barrel fasteners and pedestal locks. The reviewer finds it most useful for field service on compatible electric and gas meters because of its smooth plunger action and serialized construction. It is not a universal key - the single biggest reason to buy is its precise fit for Highfield 93180128 and 93180124 type locks and for Channell-style pedestal locks when paired with the P key.

Key Features

• Targeted fit: Specifically designed for Highfield 93180128 and 93180124 #6 barrel fasteners, ensuring a correct unlock when the fastener matches the 0.158 in inside diameter.
• Check size first: The tool only works with an inside diameter of 0.158 in, so confirming fastener size prevents wasted trips and damaged tools.
• Durable materials: Made from high carbon alloy steel for the barrel fastener tool and brass for the P key, both resist wear and corrosion in field conditions.
• Smooth operation: A smooth plunger and heavy-duty spring make opening quick and repeatable, reducing time on each lock operation.
• Serialized security: Each steel plunger tool is serialized, which helps with inventory control and accountability in utility fleets.
• Compact storage: The P key is small enough to hang on a keychain for easy carry and quick access during rounds.

Who It's For

This tool is aimed at utility technicians and meter readers who regularly encounter Highfield #6 barrel fasteners or Channell-style pedestal locks and who need a compact, purpose-fit key that minimizes play during unlocking. It is a practical choice for teams that track tools by serial number and want a durable steel option for repeated field use.

It is not appropriate for users expecting a universal meter key. Technicians who service a wide variety of manufacturers should verify lock compatibility or carry multiple key types, because this tool will not work on locks with different inside diameters or designs.

Pros & Cons

Pros

• Precise fit for specified Highfield #6 barrel fasteners reduces slippage and makes unlocking efficient.
• High carbon alloy steel construction provides strength for frequent field use.
• Serialized design supports inventory control and theft deterrence for fleets.
• Includes a brass P key option for Channell-style pedestal locks and convenient keychain storage.

Cons

• Limited compatibility - only for inside diameters of 0.158 in, so it will not work on many other utility locks.
• Some users report occasional build quality issues; operators should inspect tools before use to avoid failures on the job.

Specifications

Product	Steel barrel fastener plunger tool and P key
Compatible fasteners	Highfield 93180128, 93180124 (#6 barrel)
Inside diameter	0.158 in
Shaft length (retracted)	1.05 in
Shaft length (plunged)	0.77 in
Total fastener length supported	2.11 in
Material	High carbon alloy steel (plunger), brass (P key)

Our Verdict

The Jonard Tools TTBW-158 is a specialist utility key that offers good value for technicians who service the exact Highfield #6 barrel fasteners or Channell-style pedestal locks. Its smooth plunger, durable materials, and serialized ID make it practical for fleet use, but buyers must confirm lock compatibility first to avoid a poor fit or in-field failures.

Frequently Asked Questions

Will this key work on other barrel fasteners?
Only if the fastener has an inside diameter of 0.158 in and matches the #6 Highfield profile; otherwise it will not fit.

What materials are the tools made from?
The barrel plunger tool is high carbon alloy steel and the P key is brass for corrosion resistance and durability.

Is the tool serialized?
Yes, the steel plunger tool is serialized for inventory and security tracking.