The manufacturer's product text explicitly mentions use with particularly small screws

Dynamic-Drive profile: reduces fastener wear and improves load distribution and torque transfer

Produktet er konstrueret med Wera ESD-materiale og har en dokumenteret elektrisk overflademodstand på ≤ 10^9 ohm

Stated dimensions and weight from the manufacturer include blade length

Bahco 3/8" hoved f/indstiks momentnøgle 9x12mm Unit(s):Pcs The manufacturer's product text explicitlyProduct Overview This pear shaped, quick release reversible ratchet insert from BAHCO, model BAHCO 9Q 3 8, is intended for mounting on torque wrenches. The insert is a reversible ratchet unit with a close hold of 2230 teeth, and it is secured to the torque wrench via a spring loaded retractable pin. Construction and Mechanism Pear shaped, quick release reversible ratchet insert. Number of teeth: 2230 teeth. Fastening: spring loaded, retractable pin.