The Facom 440 OGV metric combination wrenches combine high mechanical performance with compact design, complying with aeronautical standards. Ring clearance is designed for better access to recessed or closely spaced fastenings and the 12-point OGV profile of the 15º angled ring head allows for a high torque without damaging the nut. The wrenches have optimised open end / handle geometry, offering increased accessibility and feature ground contact faces. Finished in satin chrome. Industrial and automotive: Conforms to ISO 691, NF ISO 691, ISO 7738, NF ISO 7738, ISO 3318, NF ISO 3318, ISO 1711-1, NF ISO 1711-1 and NF E74-306.Aerospace : Conforms to SAE AS 954E. The FCM4409 Combination Spanner has the following specifications:Head size: 9mm.Length: 138mm.