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Tension Climbing
Tension Grindstone Edge Training Board
$179
Best Hangboards · head-to-head
Tension Grindstone Edge Training Board vs So iLL Iron Palm 2.0
A sourced, side-by-side comparison. So iLL Iron Palm 2.0 is cheaper at $139. Every spec and price links to its source.
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So iLL
So iLL Iron Palm 2.0
$139Cheaper
Which is better: the Tension Grindstone Edge Training Board or So iLL Iron Palm 2.0?
On the specs we track, they're closely matched. The So iLL Iron Palm 2.0 is the cheaper at $139.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Tension Grindstone Edge Training Board | So iLL Iron Palm 2.0 |
|---|---|---|
| US price | $179 | $139 |
| Brand | Tension Climbing | So iLL |
| Released | — | — |
| Material | wood | urethane |
| Edge depths (mm) | 8, 10, 15, 20, 25, 30, 50 (50mm is the center one-arm edge) | — |
| Pocket count | 0 | 0 |
| Sloper angles (°) | — | — |
| Mounting type | — | — |
| Overall width (in) | 22 | — |
| Grip positions | 8 | — |
| Surface texture | wood, Tension signature radiused edge profile | molded urethane (VTF), textured for grip |
Sources — Tension Grindstone Edge Training Board: tensionclimbing.com (verified 2026-08-12). So iLL Iron Palm 2.0: soillholds.com (verified 2026-08-12).
What's the difference between the Tension Grindstone Edge Training Board and So iLL Iron Palm 2.0?
Where the two actually differ on the specs we track (2 of 8). Matching specs are omitted.
- Material: Tension Grindstone Edge Training Board wood vs So iLL Iron Palm 2.0 urethane
- Surface texture: Tension Grindstone Edge Training Board wood, Tension signature radiused edge profile vs So iLL Iron Palm 2.0 molded urethane (VTF), textured for grip