MAGNEPULL XP1000-4 Tapered XP Magnet w/8/32" Thread Perfect for Low & High Voltage installers using smaller diameter wires (fits 3/4" hole) New design:XP Tapered Magnets has 25% more magnetic strength & the tapered bullet gives it less drag Paired up w/XP Retriever, Rolling Magnetic it has 30% more pulling strength Bullet Drop Magnet 1-3/4" L, Diameter .70", Fits 3/4" Hole - Overall length 1.3/4" Compatible with fishing device w/a 8/32" thread. Example:Labor $aving Devices Creep-Zit or Glow Rods