small magnet aplicator with collar

Applicator for inserting magnets with marking N S. Sliding collar to keep the inserted magnet in place, small size 20mm, Inserted small magnet 3.2x1 mm./You can also use a 3x2 mm magnet/.Dimensions length 20mm diameter 15mm.Printed on A1.Step files included.Simply attach the magnet to the applicator according to the needed field, pull the collar down with your fingertips and move it to the side.dont forget remove glue have a fun.