Wired Door Contact Window Sensor NO Surface Mount Magnetic Reed Switch Black 5 Pcs Ball Head Rod Ends so please measure the rod

so please measure the rod to ensure if the rings fit you

The bearings used in the rotating part

especially for inspecting your hobbies such as coins

Fitting Shape: Straight

It provides proper digital interface for use on video equipments such as monitor

Wired Door Contact Window Sensor NO Surface Mount Magnetic Reed Switch Black 5 Pcs Ball Head Rod Ends so please measure the rodDescription The Magnetic Contact Switch is with durable PVC housing for better rust resistance. Designed for use with window and door alarm systems, such as the garage, industrial warehouse, and shops, etc. N. O. means Normally Open: When the magnet separates, the circuit is conductive( light on ); When the magnet together, the circuit is not conductive ( light off ). Please check the right need carefully before purchasing it! Specification Type: