Button Switch 1 x 2, Essential Kit Hoffman Set used to measure the actual

used to measure the actual size of objects very conveniently

High Accuracy Digital Flexible Waterproof Thermometer Wide Temperature Range

Plastic tank

and 1 piece of glassware cleaning brush

Button Switch 1 x 2, Essential Kit Hoffman Set used to measure the actualIncludes: Button Switch 1 x 2, Essential Kit. Used in number of applications in laboratory, home, general purpose or games. Premium Quality: Kit is made of high quality, heavy duty and durable materials. Improved accuracy and robustness and are less expensive than traditional Button switches. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes