BRASS EMERGENCY KEY BLANK for RIM LOCKS (or CLOCKS) 2 1/2" LONG (33220)
Great for retracting the plunger or certain old rim locks, also likely a good piece for old clocks. Heavy brass, opening on the end is 3/16" square, over length of the key from the tip to the ring is 2 1/2".
Total Length: 3.25"
Shank Length: 2 50"
Shank Diameter at the tip: 7/16"
Bit Opening Width: 3/16" square