Land Rover Series 3 Defender.

2x Powerfully Magnetic Axle & Transferbox  Drain/Filler Plugs Reference Number TYB500120 (608246)

Also Fitted to Range Rover Classic, Defender, Discovery as Drain/Fill Level Plug for Axle Differential Case & Transfer Box.

Powerful magnets mean that any metallic particles are safely pulled away from moving parts.