Hookswitch, Material Plastic, Overall Depth Not Applicable, Overall Height Not Applicable, Overall Width Not Applicable, Compatible with Grainger Part Number 4ACE8, 4ACE9, 4DJR9, 4DJT2, Compatible with Series Not Applicable, Resistance Properties Not Applicable, Features Not Applicable, Color Black, Product Type Hookswitch/Cradle Kit, For Use With Industrial Telephones, Manufacturers Warranty Length 1 yr