Sliding magnet system provides bolt clearance and magnetic function at the same time. Input Drive Size: 1/4" Drive Shape: Hex Outside Diameter: 15.1mm Length: 100mm Type: Nut setter with Sliding Magnet Output Side: 8mm x 4mm deep Turnable POM Cover: Yes Opening: 6pt Slide Magnet: Yes 26mm Travel Product Dimension (Refer Line Drawing Image): D Size: 15.1mm H1 Size: 4mm H2 Size: 26mm L Size: 100mm