US
POWERTEC

POWERTEC 20323 Clamp

  • Clamp
  • 3.2 ounces
  • 5 × 3 × 1 inches
4.6/ 5 on Amazon628Amazon ratings50+bought last month3.9ProductDome score
  • More reviewed than 72%
Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou need a small, light clamp for jigs, models or light holding tasks

A small, light clamp suited to light holding tasks rather than heavy duty clamping pressure.

View current price on Amazon →

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ProductDome scorecard

How it ranks among the 377 clamps we track

3.9/ 5ProductDome scoreMedium confidence
Owner satisfaction · 56% of scorecategory median 4.5★4.6

4.6★ across 628 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 257 ratings3.5

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

Buyer demand · 11% of score2.3

50+ bought on Amazon 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: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Small and light at 3.2 ounces, the Powertec 20323 is a clamp measuring 5 by 3 by 1 inches. It holds a 4.6 star rating from 628 reviewers, with roughly 50 units sold in the past month.

At 3.2 ounces and a 5 by 3 by 1 inch footprint, this is a light duty clamp sized for small workpieces, jigs or holding light materials in place rather than heavy clamping pressure on large stock. Its small size makes it easy to keep several on hand for quick, light duty holding tasks.

  • 3.2 ounce weight
  • 5 x 3 x 1 inch dimensions
  • 4.6 star rating from 628 reviewers
  • About 50 units sold in the past month

Who it's for

Hobbyists and light DIY users who need a small, light clamp for jigs, model making or holding thin materials. It is not sized for heavy woodworking clamping jobs that need high pressure across large stock.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Very light at 3.2 ounces
  • Compact 5 x 3 x 1 inch size
  • 4.6 rating from 628 reviewers
What to check first
  • Small size limits capacity on thick stock
  • Not suited to heavy clamping pressure

Performance notes

The compact 5 by 3 by 1 inch size and 3.2 ounce weight point to a light duty clamp, useful for holding small parts steady rather than applying heavy pressure across thick stock. Its light weight also makes it easy to carry several at once for small jobs.

Specifications

BrandPOWERTEC
Model20323
Item Weight3.2 ounces
Dimensions5 × 3 × 1 inches

How it compares

This product against the closest alternatives we track in clamps.

ProductAmazon ratingRatingsProductDome score
POWERTEC 20323 ClampThis product4.6 / 56283.9 / 5
IRWIN 1964758 ClampIrwin4.7 / 523,2904.6 / 5
Bessey BPC-H34 ClampBESSEY4.8 / 59,5354.5 / 5
Yost LV-4 ClampYost4.6 / 510,7234.5 / 5
EMART EM-CLAMP-6EMART4.7 / 54,9974.4 / 5
Frequently asked

Questions about the POWERTEC 20323

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

How much does the Powertec 20323 clamp weigh?

3.2 ounces.

What size is the Powertec 20323?

It measures 5 by 3 by 1 inches.

Is the Powertec 20323 suited to heavy clamping jobs?

Its small, light build points to light duty holding tasks rather than heavy pressure on thick stock.