ER40 Hook Spanner Wrench
For ER40 Slotted Collet Nut. Fits into the slots on the outside of the collet nut for a secure grip that will not slip. Made out of hardened steel for long lasting use. fits ER40 slotted nuts from all manufacturers with an outer diameter of 55 to 63 mm.
Specifications:
Material: Hardened alloy steel.
Recommended Torque:
Maintenance: Protect from rust with rust preventative spray.
Compatibility: Fits the SN-G nut.