Their construction emphasizes speed

Hapstone RS [BLACK] features four angled clamps that can be turned inward (for small knives) or outward (for long knives)

The set comes in a custom Gritomatic storage case 3D-printed from Blue-Black PLA plastic

the sharpening angle changes

A locking lever

axicube t2 electronic angle finder new-variants Their construction emphasizes speedAxicube T2 Electronic Angle Finder is the upgraded version of the Axicube One. The new model features a removable lithium polymer battery and a modern USB Type C charging port for enhanced convenience and performance. Designed for fast and accurate measurements, the Axicube T2 helps you achieve the correct sharpening angle with ease. It is an essential tool for any professional or DIY knife sharpening system setup.