Ordered these to see if they could detect studs in partition walls. They work perfectly. I inserted a small screw through the hole which makes them easier to handle. I now see that they do make magnets in skittle shape which are possibly even better for the task. With a pack of 10 magnets it took me about 3 mins to identify all the studs in a dividing wall. Expensive electronic detector is still trying!!!
November 13, 2014
Perfect for my intended use
I purchased North and South 10 mm diameter magnets which are predrilled with a 3 mm hole so were perfect for my intended use.
July 30, 2013
These magnets, if there is any doubt, are very strong. They worked fantastically and were perfect for the product I was making in D&T especially with the Counter sink. BEWARE though. If you want these magnets to have the screw heads (for the counter sinks