"Works as intended. The only criticism is that the the hole you slide the drill bit into isn't very deep, and as such there is a tendency for a slight wobble. The bit is held secure by the magnet, but you have to start carefully to maintain control."
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Review 3 for Erbauer Quick-Release Magnetic Extension Bar 300mm x ¼" Hex Shank
"If the magnet was of good quality it would be a great buy,But it is totaly rubbish it will not hold a 3.5x30mm screw on the tip .Spend a bit extra and get a good one that will hold a screw on the tip."