1/4 in. OD x 1.0 in. Long Cylinder Magnet - AndyMark, Inc
Amazon.com: Dia 1/2x3 inch (12.7mm x 76.2mm) Neodymium Magnet, Super Strong Cylinder Magnet Diametrically Magnetized w/ Poles on the Sides. Made of NdFeB Rare Earth Magnet for Magnetic Pick Up Tools, Crafting
Cylindrical Bar Magnet 50x20 mm - 1003556 - U8495210 - Magnetism - 3B Scientific
Alnico bar magnet models
MAG-MATE PF06N 0.9 lbs. Average Pull Force Cylindrical Magnet | Travers Tool