Features 1、PORTABLE SCIENTIFIC TOOL: Lever kit can be easily disassembled for easy carrying and space saving convenience. 2、DURABLE MATERIALS: The lever kit is made of metal and plastic for durability and practicality in scientific and educational applications. 3、SUPPORT IN PHYSICS CLASS: Professional lever set is suitable for use in physics classrooms as a teaching instrument. 4、VERSATILE USAGE: Ideal for home, school, or laboratory use as a lever caliper for various scientific and experimental purposes. 5、SIMPLE DESIGN: Not a simple educational tool, but features an exquisite appearance as a lever balance for added aesthetic appeal. Specification Item Type: Experimental Lever Kit Material: Aluminum Alloy, ABS Package List 1 x Lever 1 x Stand Rod 1 x Base 1 x Screw