Kicker KMA3004, Kicker 4 Channel Marine Amplifier - 300W RMS (45KMA3004)

HWDNQGH 3x6mm Tinny Magnet Cylinder Dia 3mmx6mm Precision Neodymium Sensor Magnet 3 * 6mm Magnetics with(20 pcs)

Magnetic Materials Energy Parts 9787111773658 Mechanical Industrial Press Educational Materials Book [Kongshang Zuen Garden Shop]

Durable 475503 Magnets in Industrial Packaging 37 mm 3000 p - Red (Pack of 20)

MAG-Mate Electro MAG 24VDC PP Term BLK (EP2-121)

Durable 475306 Magnets in Industrial Packaging 32 mm 720 p - Blue (Pack of 20)

TRYMAG Small 18x5mm Ceramic Magnets for Crafts with Adhesive Backing, 150Pcs Round Disc Flat Circle, Ferrite Industrial Magnets for Button, Hobbies, School, DIY-0.78" D X 0.19" H

4E's USA 96 Well Microtiter Plate Magnetic Separator - Magnetic Separation Rack for Purification of DNA, RNA, Protein for 96-Well Microplates

Durable 475406 Magnets in Industrial Packaging 37 mm 1000 p - Blue (Pack of 20)