Features: EDUCATIONAL SINGLE THROW SWITCH: It is suitable for teaching use. Improve students manual abilities and their learning interests. SINGLE POLES SWITCH: Funny enough to strengthen the manual ability and improve learning interest. SINGLE BLADE SWITCH: Great gift for student to learn the science electronic building different kinds of model, improving their hand on ability, thinking ability, creativity, and awareness of electricity. PHYSICS LABORATORY SWITCH: Lightweight for carrying easily, which the students can bring the whole set outside to play with their friend. PHYSICS LABORATORY SUPPLIES: It is widely application on DIY and various laboratory physics equipments. Specifications: Material: Coppers Color: As The Picture Shows Package Weight: approx.500g Size: approx.8cm/3.15in (More Size Detail, Please See Photo.) Package Includes: 10Pcs Single Throw Switch note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!