NF EN 60900 / CEI 60900 / NF ISO 1174-1 / NF ISO 3316

Permite utilizar una llave de carraca estándar 1/4" con vasos serie Junior de 3/8".

Chrome vanadium steel.
Socket with 4 ogive-type recesses inside the female square to accommodate the crimped ball of the pawl and thus ensure a safe and effective holding of the assembly (up to 500 Newtons to the pull-out).
A flange is included for optimum protection when used with a ratchet or extension.