Are you trying to fish wires throw walls with steel framing? Are you having a problem getting the round magnets throw without losing them in the wall? We have a solution... MagnePull's XP1000-8 is a Round Flat Bullet Drop XP Magnet w/Braided Brass Flex 9" Leader* & Fish Eye-Let. Design for fishing walls with steel framing. About the size of a quarter w/a special ring around the perimeter, when used in conjunction w/Magnepull Retriever (not included), fishing near steel or between studs spaced at 16" or 24" on center. Now steel wall studs are a breeze! Perfect for Low & High Voltage installers, 1-1/4" x 5/16" hole required. WARNING: KEEP MAGNETS AWAY FROM: TV's, MONITORS, COMPUTERS, CELL PHONES, CREDIT CARDS & PACEMAKERS ETC! WARNING: Watch your fingers, Magnets will snap together when too close together and could shatter. WARNING: Always ensure that you & other persons in the vicinity wear approved eye protection.