Klein / Measuring and Testing / Electrical Testers / RT210
Klein RT210 Outlet Tester
Price tracked since Jan 2016
$13.98
- At its usual price
Usually $13.98 over the past 90 days
Fair
Right at its usual price of $13.98. Lowest price in 13 months. It has been at $13.98 since Aug 21 2025.
Price checked Oct 2 2026, 9:07 PM ET. Prices change. Confirm the live price on Amazon before buying. ToolBuck earns a commission on qualifying purchases.
View on Amazon Specs
| Brand | Klein |
|---|---|
| Model | RT210 |
| Type | Outlet Tester |
| Weight | 0.1 lb |
| In the box | GFCI Outlet Tester |
Price History
The gray band is the usual range: where the price sat for the middle half of the 90 days shown.
Klein RT210 price over 90 days. Current price $13.98. Usual range $13.98. Low $13.98, high $13.98.
The gray band is the usual range: where the price sat for the middle half of the 1 year shown.
Klein RT210 price over 1 year. Current price $13.98. Usual range $13.98. Low $13.98, high $13.98.
The gray band is the usual range: where the price sat for the middle half of the tracked history shown. The all-time line shows the lowest price of each week.
Klein RT210 price over all time. Current price $13.98. Usual range $9.63 to $12.97. Low $8.22, high $13.98.
Line: Amazon price. Red dot: current price. Gaps mean no offer at that time.
- Current $13.98 Checked Oct 2 2026, 9:07 PM ET
- Usual range $13.98 Over the past 90 days. At its usual price
- Lowest ever $8.22 Dec 5 2018
- 90-day high $13.98
- Drops in 90 days 0
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Prices checked between Oct 2 2026, 7:27 PM ET and Oct 2 2026, 9:07 PM ET.
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Prices checked between Oct 2 2026, 7:22 PM ET and Oct 2 2026, 8:22 PM ET.
Prices are the Amazon.com price for a new item. "Usual" is this tool's own price over the past 90 days or the past year, whichever is closer to today's price: the usual range is where it sat for the middle half of that time, and percentages are measured against its median price over 90 days or over the past year, whichever is closer to the current price. Out-of-stock time is left out. ToolBuck has price history for this listing going back 3,902 days. Prices and availability are accurate as of the time shown and can change. The price on Amazon at the time of purchase is the one that applies. How ToolBuck works.