Socket Size = 1/4in Imperial or Metric = Imperial Drive Size = 1/2 in Socket Type = Hexagon Socket Head Type = 6 point Bit Size = 18mm Overall Length = 25 mm
Socket Size = 10mm Imperial or Metric = Imperial, Metric Drive Size = 1/2 in Socket Type = Impact Bit Socket Socket Head Type = 12 point Bit Size = 17mm Overall Length = 85 mm