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66141 - Hitch Pin with Linch Pin and Chain, 5/8in x 6-1/4in
A nice touch about this is that it's a NEW model with fresh battery or power supply.
66141 - Hitch Pin with Linch Pin and Chain, 5/8in x 6-1/4in - 1EA
A nice touch is the rubber insert that reduces vibration during operation.