I'm sure they will be fine for general DIY.
I picked this up for £16 before Christmas. I can recommend. http://www.amazon.co.uk/dp/B00GSMBTJ0/
I picked this up for £16 before Christmas. I can recommend. http://www.amazon.co.uk/dp/B00GSMBTJ0/
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Is that a blue or green tool? Always hear good things about Bosch from workmates, but i guess you can get manufacturing faults with any tool.
. You just lightly tighten it until it clicks and then the drill bit isn't going anywhere.