Makita - 4-1/2. / 5 Angle Grinder with Electric Brake to (GAG01Z) | 8,500 RPM, electric brake, AFT shutoff, up to 60% faster cutting, tool only
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Great price
$139.58 is 20% below the $174.48 it normally sells for, and the lowest we've seen in 110 days.
- Now
- $139.58
- Normally
- $174.48
- Lowest in 110 days
- $139.58(Nov 13)
- Highest
- $190.00
Where today's price sits
Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.
Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)
The listing's crossed-out price
Holds upThe listing shows
crossed out: Typical $178.95 −22%
Against its normal price
−20% vs $174.48
Typical $178.95 (−22%) holds up: today's price is 20% below normal.
The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →
Price history
Tracked since Jul 26 · 110 days · 163 price changes
Ahead of Black Friday 2026 (Nov 27), it is already 20% below its normal price of $174.48. Makita price history, checked Nov 13, 2026: current price $139.58, normal (typical) price $174.48, average $177.43 over 110 days, lowest $139.58 (Nov 13, 2026), highest $190.00 (Jul 27, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $174.48
- 5% or more below normal
How often does it drop below normal?
In the 110 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 3 times, typically lasting less than a day. It's below normal right now. Brief dips under an hour (9) aren't counted.
A count of what happened, not a prediction.
Other ways to buy
New from
$139.58
Vera ToolsFulfilled by Amazon · Seller rating 99% of 12,491
Used from
$147.06
Amazon ResaleFulfilled by Amazon
All 10 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| Vera Tools | New | $139.58 | Yes | 99% of 12,491 |
| Amazon Resale | Used - Very Good | $147.06 | Yes | — |
| Optimal Supply LLC | New | $176.95 | No | 58% of 64 |
| DT Convenience Store | New | $178.77 | No | 61% of 47 |
| amazinoutlet | New | $189.00 | Yes | 83% of 1,706 |
| Gazelle Network | New | $254.00 | No | 77% of 13 |
| Baucenter (S/N Recorded) | New | $299.00 | No | 100% of 5 |
| Sparkfish | New | $338.67 | No | 79% of 92,041 |
| American Bazaar Shop | New | $345.05 | No | 63% of 138 |
| Marek deals | New | $361.00 | No | — |
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B091BG74PF \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B091BG74PF", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/B091BG74PF",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "B091BG74PF",
"title": "Makita - 4-1/2. / 5 Angle Grinder with Electric Brake to (GAG01Z) | 8,500 RPM, electric brake, AFT shutoff, up to 60% faster cutting, tool only",
"image": "https://m.media-amazon.com/images/I/51jsMRKBzML._AC_SL500_.jpg",
"currency": "USD",
"category": "Home Improvement",
"category_label": "Tools & Home Improvement",
"in_stock": true,
"price": {
"current_cents": 13958,
"reference_cents": 17448,
"discount_pct": 20,
"is_deal": true,
"observed_at": 1794611827835,
"changed_at": 1794593301157,
"checked_at": 1794611827835,
"source": "stored"
},
"verdict": {
"label": "great",
"text": "Great price",
"pct_vs_normal": 20,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Great price. $139.58 is 20% below the $174.48 it normally sells for, and the lowest we've seen in 110 days."
},
"listing_claim": {
"label": "Typical:",
"listing_reference_cents": 17895,
"claimed_pct": 22,
"real_pct": 20,
"class": "holds_up",
"observed_at": 1794593558753
},
"stats": {
"min_cents": 13958,
"max_cents": 19000,
"avg_cents": 17743,
"history_days": 110,
"price_levels": 177,
"price_changes": 163,
"distinct_prices": 16,
"lowest_at": 1794593301157
},
"history": [
{
"price_cents": 17803,
"from": 1793277704606,
"to": 1793353146257
},
{
"price_cents": 17624,
"from": 1793354123652,
"to": 1793484981155
},
{
"price_cents": 17895,
"from": 1793486215758,
"to": 1793890434527
},
{
"price_cents": 17448,
"from": 1793896570598,
"to": 1794585465876
},
{
"price_cents": 13958,
"from": 1794593301157,
"to": 1794611827835
}
],
"last_seen": 1794611827835
}
// … 172 more steps in the full responseNormal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.