Because households of the day were lit by oil lamps and candles, Victorian candles often made from tallow or whale blubber had wicks that didn't burn away, so the cotton wicks needed to be frequently trimmed in order to keep the flame a reasonable size.
 
Mid 17th Century Candle Snuffer/ Wick Trimmer with D handle, made from hand wrought iron.
 
The condition is good.
 
Dimensions of snuffers: 16cm long