DescriptionMaterial:Steel parts grade 5.8. Ball knob black thermoset PF 31Version:Black oxidised.Note:Flat Control Handles can be used for simple clamping applications and switching operations. Generally there must be enough space so that the handle can be turned 360°.On request:Other internal threads, reamed holes and star sockets. Dimension “A” available in other lengths at extra charge.Special features: