Ko-ken RS3025/9-HOLE 3/8 Sq. Dr. 9 Pc Tamper-Resistant TORX Bit Socket Set | Includes 9 tamper-resistant TORX bit sockets covering sizes T10H through T50H.
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Good price
$148.90 is 7% below the $161.75 it normally sells for, and the lowest we've seen in 109 days.
- Now
- $148.90
- Normally
- $161.75
- Lowest in 109 days
- $148.90(Nov 12)
- Highest
- $182.29
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)
Price history
Tracked since Jul 26 · 109 days · 132 price changes
Ahead of Black Friday 2026 (Nov 27), it is already 7% below its normal price of $161.75. Ko-ken RS3025/9-HOLE 3/8 Sq. Dr. 9 Pc Tamper-Resistant TORX Bit… price history, checked Nov 12, 2026: current price $148.90, normal (typical) price $161.75, average $161.72 over 109 days, lowest $148.90 (Nov 12, 2026), highest $182.29 (Sep 20, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $161.75
- 5% or more below normal
How often does it drop below normal?
In the 109 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 11 times, typically lasting less than a day. It's below normal right now. Brief dips under an hour (45) aren't counted.
A count of what happened, not a prediction.
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B004IKRYHA \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B004IKRYHA", {
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/B004IKRYHA",
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": "B004IKRYHA",
"title": "Ko-ken RS3025/9-HOLE 3/8 Sq. Dr. 9 Pc Tamper-Resistant TORX Bit Socket Set | Includes 9 tamper-resistant TORX bit sockets covering sizes T10H through T50H.",
"image": "https://m.media-amazon.com/images/I/513DIXD-sbL._AC_SL500_.jpg",
"currency": "USD",
"category": "Home Improvement",
"category_label": "Tools & Home Improvement",
"in_stock": true,
"price": {
"current_cents": 14890,
"reference_cents": 16175,
"discount_pct": 7.94,
"is_deal": true,
"observed_at": 1794513804930,
"changed_at": 1794474614188,
"checked_at": 1794513804930,
"source": "stored"
},
"verdict": {
"label": "good",
"text": "Good price",
"pct_vs_normal": 7.94,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Good price. $148.90 is 7% below the $161.75 it normally sells for, and the lowest we've seen in 109 days."
},
"listing_claim": null,
"stats": {
"min_cents": 14890,
"max_cents": 18229,
"avg_cents": 16172,
"history_days": 109,
"price_levels": 155,
"price_changes": 132,
"distinct_prices": 5,
"lowest_at": 1794474614188
},
"history": [
{
"price_cents": 14890,
"from": 1790932111584,
"to": 1790932111584
},
{
"price_cents": 16175,
"from": 1790955875380,
"to": 1794356685480
},
{
"price_cents": 14890,
"from": 1794363731381,
"to": 1794364700266
},
{
"price_cents": 17043,
"from": 1794405079973,
"to": 1794469374067
},
{
"price_cents": 14890,
"from": 1794474614188,
"to": 1794513804930
}
],
"last_seen": 1794513804930
}
// … 150 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.