- Replaceable plug-in blades Outside hexagon 24 mm – Outside square drive 12.5 = 1⁄2″
- Inside square (Robertson) Drive 20 = 3⁄4″ – Outside square Drive 12.5 = 1⁄2″
- With borehole for locking pin or safety spring and grove for O-ring
- Surface: phosphatized, oiled
- Made in Germany
- Drive: Square, hollow 20 mm (3/4 inch)
- Output: Square, solid 12.5 mm (1/2 inch)