Chuck Screw for 18 Volt 1/2 in Compact Drill and Lok Tor II Driver Drill
0617-20 (SER A78A) 14.4 Volt 1/2 in. 0617-20 (SER A78B) 14.4 Volt 1/2 in. 0627-20 (SER A79A) 18 Volt 1/2 in. 0627-24 (SER A79A) 18 Volt 1/2 in. 0625-24 (SER A77A) 18 Volt 1/2 in. Lok-Tor II Driver Drill.