E- Klips Screw on Pipe Clamp with rubber insert. Pipe size 107mm - 112mm. Threaded Rod size M8 M10. DIN 4109. Finish, electroplated zinc, generally 8-12 microns thick with chromate coating, approximately 72 hours salt spray resistance ASTM-B117-90, DIN 50021, suitable for indoor, non-corrosive environments.