4mm Stackable Plug - Black - Pack of 10

Ideal for science classrooms, these 4mm stackable plugs make setting up electrical circuits quick and reliable. Designed for frequent use in secondary and college labs, they help students and teachers connect components safely and efficiently.

• Pack includes 10 black stackable plugs

• 4mm plug with rear socket for easy stacking

• Nickel plated beryllium copper plug with stainless steel spring

• Lead wire secured by screw connection

• Maximum current capacity: 10A