POWERTEC

POWERTEC 20328-P2 Clamp

Clamp

4.3/ 5 on Amazon126Amazon ratings2.7ProductDome score

Limited evidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forYou already know the 20328-P2 is the size and capacity you need

Specs aside, the 20328-P2 is a Powertec clamp identified by model number, worth checking the full listing for size and capacity before buying.

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ProductDome scorecard

How it ranks among the 377 clamps we track

2.7/ 5ProductDome scoreLimited evidence

Owner satisfaction · 56% of scorecategory median 4.5★4.3

4.3★ across 126 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 257 ratings2.6

126 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score0.0

Modest tracked demand last month.

Data quality · 11% of score2.5

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 377 clamps we track - how the scorecard works · full clamps data report. Confidence: limited - incomplete product information.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Amazon's listing for the POWERTEC 20328-P2 clamp carries no dimensions, clamping force or throat depth, leaving brand and model number as the only confirmed details.

With no attribute data attached to this listing, what stands out is the brand and model number: Powertec is a known name in woodworking clamps and vises, and the 20328-P2 designation suggests it belongs to a numbered clamp series rather than a one-off product.

Powertec brand clamp
Model 20328-P2
Listed under Tools > Clamps
4.3 rating across 126 reviews

Who it's for

Useful mainly for buyers who already know the 20328-P2 by model number, since size, capacity and jaw type are not specified here. Anyone shopping by spec such as throat depth or clamping pressure will need to check the full listing first.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

From an established woodworking clamp brand

What to check first

No published specs for size, capacity or clamp style
No purchase activity shown in the past month

Performance notes

No load capacity, throat depth or clamp style is listed for this unit, so its working performance cannot be described from the data here.

Specifications

Brand	POWERTEC
Model	20328-P2

How it compares

This product against the closest alternatives we track in clamps.

Product	Amazon rating	Ratings	ProductDome score
POWERTEC 20328-P2 ClampThis product	4.3 / 5	126	2.7 / 5
IRWIN 1964758 ClampIrwin	4.7 / 5	23,290	4.6 / 5
Bessey BPC-H34 ClampBESSEY	4.8 / 5	9,535	4.5 / 5
Yost LV-4 ClampYost	4.6 / 5	10,723	4.5 / 5
EMART EM-CLAMP-6EMART	4.7 / 5	4,997	4.4 / 5

Frequently asked

Questions about the POWERTEC 20328-P2

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Is the POWERTEC 20328-P2 well rated?

It holds a 4.3 rating across 126 reviews.

What brand makes the 20328-P2 clamp?

Powertec, a brand known for woodworking clamps and shop tools.