The Grindstone is a precision-engineered edge training platform designed to meet the demands of climbers across the performance spectrum.
It features a comprehensive progression of edge depths paired with Tension's signature edge radius profile that maximizes comfort while training.
Ideal for structured finger strength protocols, the Grindstone has become a foundational tool for serious climbers worldwide.
Grindstone dimensions: 22"(W) x 6"(H) x 2 3/4"(D)
Key Features:
- Full Width "Bar-style" Top Jug
- 50mm center one-arm edge
- 30mm edges
- 25mm edges
- 20mm edges
- 15mm edges
- 10mm edges
- 8mm edges
- Top phone slot for timer
