SHINWA Teleskopic Magnetic Pick-up Tool Pushed together, this magnetic pick-up with clip is just 134 mm long, no longer or thicker than a ballpoint. Fully extended it is 540 mm long. The magnetic pick-up is a great help when small metal parts like screws or metal chips fall into inaccessible spaces. The magnetic head rotates so that you will be able to pick up even from hard-to-reach spots. Head diameter 13 mm, holding force according to the manufacturer 1.5 kg.