Yost

Yost 480 Clamp

Clamp
80 pounds
11 × 11 inches

4.7/ 5 on Amazon1,500Amazon ratings3.8ProductDome score

Better rated than 79%
More reviewed than 88%

Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forYou have bench space for an 80 pound, permanently mounted clamp.

A bench anchored clamp built for shops that need to hold heavy stock steady through repeated work, not a tool to grab and carry between jobs.

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ProductDome scorecard

How it ranks among the 377 clamps we track

3.8/ 5ProductDome scoreMedium confidence

Owner satisfaction · 56% of scorecategory median 4.5★4.7

4.7★ across 1,500 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 257 ratings4.0

1,500 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: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Eighty pounds and an 11 by 11 inch footprint put the Yost 480 clamp firmly in bench mounted, heavy duty territory. That weight class suits shops needing a stationary clamp anchored to a workbench for repeated heavy work, not a portable option to carry between jobs.

Beyond weight and footprint, Yost has not published jaw opening, throat depth, or clamping force for this listing, details that matter more than overall size when matching a clamp to a job. Buyers should confirm those figures directly and plan on professional mounting given the bulk involved.

Yost brand, model 480
Item weight about 80 pounds
Footprint 11 x 11 inches
Category: Tools, Clamps

Who it's for

Workshop owners and metalworkers who need a stationary clamp bolted to a bench for repeated heavy duty work. Not a fit for anyone wanting a lightweight clamp to move between jobs or job sites.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

Substantial cast build resists flex under load
Compact 11 by 11 inch footprint for its weight

What to check first

No jaw opening or clamping force listed
Weight requires permanent bench mounting

Performance notes

At 80 pounds and 11 by 11 inches, the 480 is built to be bolted down and left in place, which gives it the rigidity to resist flex under heavy pressure. The listing does not include jaw opening or clamping force, so match those figures against the job before ordering.

Specifications

Brand	Yost
Model	480
Item Weight	80 pounds
Dimensions	11 × 11 inches

How it compares

This product against the closest alternatives we track in clamps.

Product	Amazon rating	Ratings	ProductDome score
Yost 480 ClampThis product	4.7 / 5	1,500	3.8 / 5
IRWIN 1964758 ClampIrwin	4.7 / 5	23,290	4.6 / 5
Bessey BPC-H34 ClampBESSEY	4.8 / 5	9,535	4.5 / 5
EMART EM-CLAMP-6EMART	4.7 / 5	4,997	4.4 / 5
10 WRDG Clamp10	4.4 / 5	5,270	4.4 / 5

Frequently asked

Questions about the Yost 480

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

Is the Yost 480 portable?

At around 80 pounds it is meant to be bolted to a bench rather than carried between job sites.