Skip to content
TrackPin
Check a price
Menu
Developers

Theme

Norton IM313 Multi-Oilstone Sharpening System-Tri Stone Kinfe Sharpener, Stone oil, Plastic angle guide, and reservoir non-skid bottom. Used for Kitchen Knives, Scissors, most professional tools

Show full title
Rated4.8(420 ratings)Only 6 left

Normal price

$313.82 is within 5% of the $309.26 it normally sells for.

Now
$313.82
Normally
$309.26
Lowest in 108 days
$245.00(Sep 10)
Highest
$389.60
Evidence: Strong108 days tracked38 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

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.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens. No account, no newsletter.

Price history

Tracked since Jul 26 · 108 days · 38 price changes

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $309.26
  • 5% or more below normal

How often does it drop below normal?

In the 108 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more twice, typically lasting about 16 days. The last time ended Oct 3.

A count of what happened, not a prediction.

Other ways to buy

  • New from

    $309.26

    Wasserstrom Restaurant SupplySeller rating 68% of 19,527

11 of 14 offers
The 10 lowest of 11 offers, by price
SellerConditionPriceFBASeller rating
Wasserstrom Restaurant SupplyNew$309.26No68% of 19,527
Amazon.comNew$310.71Yes100%
SIM Supply, Inc.New$389.60No69% of 44,140
Consumer Supply CoNew$390.39No60% of 937
Retail Hunters USANew$404.11No61% of 1,456
Diamond Home USANew$404.12No58% of 5,506
MAGELLAN DISTRIBUTION CORPORATIONNew$416.36No53% of 4,509
Autoplicity ✅New$459.10No69% of 37,111
Monody TradingNew$463.05No73% of 387
First Harmonic LimitedNew$465.16No57% of 600

Showing the 10 lowest of 11 offers.

Amazon lists 14 offers. These are from the first page of its offer list, sorted by price plus delivery, so a lower price may be further down.

More real deals in Industrial & Scientific

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B0001MSA72
Request
curl https://trackpin.co/api/v1/product/B0001MSA72 \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 18:58 UTC
{
  "asin": "B0001MSA72",
  "title": "Norton IM313 Multi-Oilstone Sharpening System-Tri Stone Kinfe Sharpener, Stone oil, Plastic angle guide, and reservoir non-skid bottom. Used for Kitchen Knives, Scissors, most professional tools",
  "image": "https://m.media-amazon.com/images/I/51PGQeS5RmL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "BISS Basic",
  "category_label": "Industrial & Scientific",
  "in_stock": true,
  "price": {
    "current_cents": 31382,
    "reference_cents": 30926,
    "discount_pct": -1.47,
    "is_deal": false,
    "observed_at": 1794416582543,
    "changed_at": 1794159600702,
    "checked_at": 1794416582543,
    "source": "stored"
  },
  "verdict": {
    "label": "normal",
    "text": "Normal price",
    "pct_vs_normal": -1.47,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Normal price. $313.82 is within 5% of the $309.26 it normally sells for."
  },
  "listing_claim": null,
  "stats": {
    "min_cents": 24500,
    "max_cents": 38960,
    "avg_cents": 31674,
    "history_days": 108,
    "price_levels": 60,
    "price_changes": 38,
    "distinct_prices": 13,
    "lowest_at": 1789024234711
  },
  "history": [
    {
      "price_cents": 32377,
      "from": 1793287537923,
      "to": 1793627116086
    },
    {
      "price_cents": 31879,
      "from": 1793643417280,
      "to": 1793644133953
    },
    {
      "price_cents": 38960,
      "from": 1793662087571,
      "to": 1794103752751
    },
    {
      "price_cents": 30926,
      "from": 1794120864560,
      "to": 1794155298721
    },
    {
      "price_cents": 31382,
      "from": 1794159600702,
      "to": 1794416582543
    }
  ],
  "last_seen": 1794416582543
}
// … 55 more steps in the full response

Normal 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.