Applying the correct closure torque to DURAN® caps is critical to achieving an effective seal. Therefore a range of eight specifically designed splined sockets that fit most of the DURAN® GL-threaded plastic closures can be used.– Enables accurate closure of DURAN® GL 25, 32 and 45 caps to the recommended torques – Cap thread size and type is permanently engraved into the top surface – Suitable for cleanroom use – Engraved lot-specific code for certification – Socket hole fits “industry standard” 1/4 inch wrench drive size – Machined from a high strength Aluminium alloy EN AW-7075 – Component « Made in Germany » Applying the correct closure torque to DURAN® caps is critical to achieving an effective seal. Therefore a range of eight specifically designed splined sockets that fit most of the DURAN® GL-threaded plastic closures can be used.– Enables accurate closure of DURAN® GL 25, 32 and 45 caps to the recommended torques – Cap thread size and type is permanently engraved into the top surface – Suitable for cleanroom use – Engraved lot-specific code for certification – Socket hole fits “industry standard” 1/4 inch wrench drive size – Machined from a high strength Aluminium alloy EN AW-7075 – Component « Made in Germany »