knobs for switches for sale, brand-new and used.

Adafruit Bluefruit Bluetooth LE nRF8001 Breakout v1.0

SPECIAL PROMO $ALE! 3 - DAYS ONLY! AUTHORIZED DEALER!

HP Hewlett Packard 201CR Audio Oscillator All components (i.e. switches, contacts, ports, buttons, etc.) are intact. Power indicator light is responsive.

Military Model An/tpx-40a Transponder. Transponder is in very nice used condition. Very heavy duty green unit with handles.

Vintage Military TS-721/UPM-6B Test Selector. Test Selector is not tested as there is no cord. May work or may need parts.

Here for sale is a Vintage Knight 600 Series Vacuum Tube Tester Allied Radio KG-600B This vintage vacuum tube tester was made in Chicago, IL USA and is a highly rated tester from what I have read online about it. Great for tube guitar amps, stereos, radios, vintage tv's and more! Comes with the original paper scroll chart installed and PDF copy of the manual too!

Vintage Precision Electronamic tube and set tester Series 920 OFFERING AS IS.Not tested. Power cord needs replacement, frayed. All original knobs intact.

This is a vintage Heathkit Model TC-2 tube tester. Powers up. Do not know how well it works.

Payment from Confirmed Paypal Address only please. As pictured Lot- 10 A-5

Jackson Model 648 Dynamic Tube Tester. The original Jackson 648 was one of the most popular of its time. This unit powers up nicely when plugged in.