# Yes4All 40 lb Adjustable Cast Iron Dumbbell Set vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb): specs and price compared

A sourced, side-by-side comparison of the Yes4All 40 lb Adjustable Cast Iron Dumbbell Set (Yes4All) and Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) (Ironmaster) among adjustable dumbbells. Yes4All 40 lb Adjustable Cast Iron Dumbbell Set is the cheaper of the two at $60.

## Side by side

| Spec | Yes4All 40 lb Adjustable Cast Iron Dumbbell Set | Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) |
| --- | --- | --- |
| US price | $60 | $699 |
| Brand | Yes4All | Ironmaster |
| Weight range (lb) | up to 20 (per dumbbell) | 5–75 |
| Increments (lb) | 2.5 and 5 (depends on plate combination) | 2.5 |
| Adjustment type | pin | — |
| Sold as | pair | pair |
| Max per dumbbell (lb) | 20 | 75 |
| Weight settings | — | — |
| Expandable | No | Yes |

## Key differences

- Weight range (lb): Yes4All 40 lb Adjustable Cast Iron Dumbbell Set up to 20 (per dumbbell) vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) 5–75
- Increments (lb): Yes4All 40 lb Adjustable Cast Iron Dumbbell Set 2.5 and 5 (depends on plate combination) vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) 2.5
- Max per dumbbell (lb): Yes4All 40 lb Adjustable Cast Iron Dumbbell Set 20 vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) 75
- Expandable: Yes4All 40 lb Adjustable Cast Iron Dumbbell Set No vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) Yes

## What reviewers say

**Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb)** — One whitelisted outlet — BarBend — provides a genuine hands-on, expert-tested review of this exact 75-lb Ironmaster Quick-Lock set, scoring durability and value 5/5. Their tester praises the authentic, wobble-free real-dumbbell feel, knurled chrome-plated handles, and heavy expandability (up to 120/165 lbs via add-on kits), while flagging tedious plate swaps with no color coding, a mediocre sheet-metal stand, and a steep price ($519–$698 per pair). The second whitelisted candidate (Garage Gym Reviews) was not fetchable and excluded, leaving this a single-source result. (1 sourced review.)

## Sources

- Yes4All 40 lb Adjustable Cast Iron Dumbbell Set: https://www.amazon.com/Yes4All-Adjustable-Dumbbell-Collars-Connector/dp/B0FHBG4N2X (amazon.com, verified 2026-06-15)
- Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb): https://www.ironmaster.com/products/quick-lock-adjustable-dumbbells-75-original/ (ironmaster.com, verified 2026-07-10)

Canonical: https://frontdeskreview.com/gear/adjustable-dumbbells/yes4all-40lb-cast-iron-spinlock-vs-ironmaster-quick-lock-75lb/
Cite: Per The Front Desk Review, Yes4All 40 lb Adjustable Cast Iron Dumbbell Set ($60) vs Ironmaster Quick-Lock Adjustable Dumbbell System (75 lb) ($699) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/adjustable-dumbbells/yes4all-40lb-cast-iron-spinlock-vs-ironmaster-quick-lock-75lb/
License: CC BY 4.0.