Amtech G4130 400g Magnetic Plumb bob and line
Price as of 2026-06-18. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$7–$19
- Mid-range:$19–$42← You are here
- Premium:$42+
Is This Right For You?
- •Shoppers looking for plumb bobs from Amtech
- •Rating sits in the bottom 27% of plumb bobs — higher-rated options exist
- •General Tools 790-5 Hexagon Steel Plumb Bob offers a better rating (4.6/5) at a similar or lower price ($7)
- •General Tools 790-5 Hexagon Steel Plumb Bob — 82% cheaper at $7 (Score A+)
- •Tajima Plumb Bob Setter — higher rated at 4.8/5 ($58)
📊 Based on data analysis of 52 products in this category.
Mubboo Score: B
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other plumb bobs
Computed from live Amazon rating, review count, and price across 52 plumb bobs available to US consumers · last refreshed 2026-06-18.
How It Compares
This Product Amtech G4130 400g Magnetic Plumb bob and line | Most Popular General Tools 790-5 Hexagon Steel Plumb Bob | Best Rated Tajima Plumb Bob Setter | Best Value Silverline Plumb Bob & Line 118g | |
|---|---|---|---|---|
| Price | $37.89 | $6.99 | $58.44 | $34.93 |
| Rating | 4.2/5 | 4.6/5 | 4.8/5 | 4.3/5 |
| Reviews | 149 | 1,058 | 848 | 708 |
| Mubboo Score | B | A+ | B+ | A- |
What People Say
Synthesized from 16 reviews · 100% verified purchases.
Consider the Tajima's large size and sharp point if you need one-handed use with a tape; for the Johnson, you may need to enlarge the string hole for thicker cord. Neither includes string, so have some ready.
- Magnetic strength and utility
- Durable and long-lasting build
- Precise and accurate plumbing
- Effective in windy conditions due to weight
- Sharp point and large size hinder one-handed use with tape
- String hole too small for thicker cord, requiring modification
If not the G4130 400g Magnetic Plumb bob and line, consider these
Bottom Line
Amtech G4130 400g Magnetic Plumb bob and line earns Mubboo Score B. Priced at $38 — a mid-range option, above the category average of $35. Rated 4.2/5 from 149+ reviews. Strong buy if: shoppers looking for plumb bobs from amtech. Skip if: rating sits in the bottom 27% of plumb bobs — General Tools 790-5 Hexagon Steel Plumb Bob (Score A+, $7) may fit better.
Frequently Asked Questions
Is the Amtech G4130 400g Magnetic Plumb bob and line worth buying in 2026?
It earns a Mubboo Score of B, with a 4.2/5 rating from 149 reviews — better than 27% of plumb bobs we track.
How much does the Amtech G4130 400g Magnetic Plumb bob and line cost?
It is currently $37.89 — mid-tier pricing for plumb bobs.
How does the G4130 400g Magnetic Plumb bob and line compare to other plumb bobs?
The category's most-reviewed alternative is the General Tools 790-5 Hexagon Steel Plumb Bob (4.6/5, 1,058 reviews, $6.99). The G4130 400g Magnetic Plumb bob and line carries a Mubboo Score of B vs A+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-18) and may change.