MagnetPAL is the size of your thumb, made from rare earth elements and rust proof injection molded plastic. It is able to hold a 12lbs pipe wrench. The power is amazing. Every toolbox needs one. Attached bits, screws, nails, bolts and other hardware to a drill, hammer, wrench or tool belt to free your hands to safely work. MagnetPAL is an accurate stud finder by finding the nails in the wooden studs in your wall. Easily clean up metal shavings or find lost metal items in a carpet, grass or even in the sand for items lost overboard. The uses are endless. Once you have one in your toolbox you will never want to be without it. Use it or lose it!TM