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Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester

$16.00$24.97You save $8.97 (36%)

Price checked Oct 9, 2026, 8:20 AM ET. Prices and availability are accurate as of that time and can change; the price shown at Amazon at checkout applies.

Why it's a good dealThe Klein Tools RT250 GFCI Outlet Tester with LCD Display is $16 at Amazon, down from $24.97, saving you $8.97 (36% off). It functions as an electric voltage tester with an LCD readout for outlet diagnostics.

PRICE HISTORY

We started tracking this price on Oct 9, 2026. Once we have at least 7 days of daily price checks, we'll show how today's price compares.

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Listed until 2026-10-11. We recheck deals daily and mark them ended when they end or sell out.