Purpose-built for the Elecraft KH1
This compact concentric paddle key was designed from the ground up to match the KH1’s footprint — and fit inside its carry case. Inspired by the DL6YYM TP-III design philosophy, it brings a precision iambic paddle experience to one of the smallest HF rigs on the market.
Spring-Free Magnetic Return
Opposing disc magnets replace mechanical springs for smooth, consistent action in any conditions — including cold weather.
Flanged Precision Bearings
Virtually zero paddle slop. Crisp, repeatable feel on every dit and dah — ABEC-7 rated.
Adjustable Reset
Two set screws let you dial in exactly the paddle spacing and throw you prefer.
Reversible Body
Mount it in either orientation to suit your operating style. Elevated paddles, or flush paddles. Your logbook case still closes regardless of key orientation.
What operators are saying
“It’s a gem. Love it! Solid, no springs — impressive. My Rev-2 beta has been my go-to paddle for SOTAs for the last year”
— Steve, WG0AT
“This thing is the bees knees. It’s so freakin’ perfect.”
— Ara, N6ARA
“It worked perfectly in the field.”
— Thomas, K4SWL
What’s in the Kit
Everything below is included. All hardware, electronics, and consumables ship ready to assemble.
Chassis & Body Parts
- KH1 Key Body — 3D printed (×1)
- Paddle Arms, Left & Right — 3D printed (×2)
- Key Cover — 3D printed (×1)
- Travel Case & Lid (also serves as precision assembly jig) (×1 each)
- M3 Standoff Cap — 3D printed (×2)
Hardware
- M3 Shoulder Bolt, 11mm OAL (×1)
- M2×2mm Set Screws, Stainless (×3)
- M2×3mm Set Screws, Brass (×3)
- M2×3mm Set Screws, Stainless Slotted (×3)
- M3×10mm Socket Head Screw, Black Oxide (×1)
- M3×8mm Round Standoff, Stainless (×1)
- Stainless Shims, 0.008 inch (0.2mm) (×6)
Bearings & Magnets
- F693ZZ Flanged Bearings (×2)
- 5×2mm Neodymium Disc Magnets (×3)
- 5×1mm Neodymium Disc Magnets (×3)
Electronics
- 3.5mm TRS Jack, Through-Hole (×1)
- PCB Breakout Board (×1)
- 28ga Magnet Wire, ~10 inches (25cm) (×1)
Supplies & Included Tools
- 0.9mm Hex Tool (×1)
- 2.0mm Hex Tool (×1)
- 2.5mm Hex Tool (×1)
- 200-grit Sandpaper Square (×1)
- Super Glue, 3g tube (×1)
Tools You’ll Need (Not Included)
- Soldering iron & solder
- Multimeter (continuity/resistance)
- Flush wire cutters
- Steel file
- Needle-nose pliers or tweezers (non-metallic preferred)
- Small flat-head screwdriver
- Small bowl or tray for loose hardware
A purpose-built tool for portable CW operators who want proper paddle feel in a package that goes anywhere the KH1 does.

























