3/8" Insulated Compatible: Designed for use with 3/8"sq. insulated tools. IEC 60900:2004 Compliant: Meets international safety standards for insulated tools. HV Maintenance Ready: Torque range ideal for hybrid vehicle service work. Quick Torque Adjustment: Pull and turn the grip end to easily change torque settings. Secure Socket Fit: Union mechanism prevents sockets from falling off during use. Accurate Readings: ±8% measurement accuracy (right-hand thread only). Storage Included: Comes with a dedicated storage bag for safe, convenient transport.