Includes (1) 72-592D Hex Key Set.. New, Bulk Packed.. Genuine OEM DeWalt Replacement Part.. Consult owners manual for proper part number identification and proper installation.. Please refer to list for compatibility.. Compatible with the Following:DWMT72163, DWMT72165, DWMT72164, DWMT72163-CA, DWMT72164-CA Ideal for professionals. Trusted by many. Meets industry standards. Highly rated.