YZZHAJ Double Antenna Mast Clamp Kit, 3 Sets

Sets: The YZZHAJ Double Antenna Mast Clamp kit is a pole-to-pole mounting set with V-shaped jaw blocks and U-bolts. Its described uses include antennas and other equipment mounted to pipes, with zinc-plated steel construction and hardware quantities specified in the listing.

At a glance

Intended for joining one pole to another or mounting a larger antenna to a mast.
V jaw blocks and U-bolts are described as helping hold a pole in place.
Listing describes compatibility with TV, WiFi, PCS, cellular and ham antennas, as well as flags and umbrellas.
Claimed package contents are three sets, nine jaw blocks, three U-bolts and six nuts.

Price

$20.79Save 20%

Reference price: ~~$25.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

The listed three-set hardware can support multiple mounting points or installations, if the stated quantities match the selected listing.
V-shaped blocks give the pipe a shaped contact point rather than relying on a flat clamp surface.
Zinc-plated steel with a stated anti-rust coating is specified for the hardware.

Technical specifications

12 specifications

Identity
Brand	YZZHAJ

Construction and fit
Material	Zinc-Plated Steel.
Finish	anti-rust coating finish
U-bolt distance	2" in distance
U-bolt length	5.5" in length
Width	2 inch
Adjustment range	1 to 1.8 inch
Colour	Silver

Pack details
Sets per package	3 Set per package
Jaw blocks	jaw block x 9
U-bolts	U bolt x3
Nuts	nut x 6

What to know before buying

Listing details to confirm

The listing calls the pack three sets and specifies nine jaw blocks, three U-bolts and six nuts, but does not clearly explain how those quantities form complete sets. It also gives both a 2-inch width and an adjustment range of 1 to 1.8 inches, while calling the U-bolt spacing 2 inches. Confirm pipe diameter fit and the exact selected pack contents before purchase.

Who is it for?

A good fit for

Buyers joining two mast sections or attaching an antenna mast to another pole.
Installations where multiple clamp positions are needed and the stated hardware quantity suits the setup.
Mounting uses such as antennas, flags or umbrellas where the pole diameters are confirmed to fit.

Less suited to

Buyers needing a standalone antenna pole, rather than a clamp connecting pipes.
Installations where pipe dimensions or included hardware must be confirmed without checking the listing details.

YZZHAJ Double Antenna Mast Clamp Kit, 3 Sets · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 91 ratings

5 stars70%70%
4 stars20%20%
3 stars6%6%
2 stars2%2%
1 star2%2%

Aggregate customer ratings lean positive, with most ratings in the five-star category, while a smaller share is spread across lower ratings. Without written feedback, the ratings do not identify particular strengths or explain concerns. For a clamp kit, confirm pole fit and the claimed hardware quantities against your installation needs.

Frequently asked questions

What is this clamp kit intended to mount?

The listing describes joining one pole to another or mounting a larger antenna to a mast. It also names TV, WiFi, PCS, cellular and ham antennas, flags and umbrellas as possible uses.

What hardware quantities are stated?

The listing claims three sets containing nine jaw blocks, three U-bolts and six nuts. It does not clearly state how those quantities divide into complete sets, so confirm the selected package details.

What pipe sizes does the listing indicate?

It gives a 2-inch width and an adjustment range of 1 to 1.8 inches, and separately describes U-bolts as 2 inches in distance. Those dimensions are not fully reconciled, so verify compatibility with both poles before buying.

What is the clamp made from?

The listing identifies zinc-plated steel and describes an anti-rust coating finish. These are seller-provided material and finish claims.