Pay in 4 interest-free payments of $2.87 Learn more
Ships within 48 hours · Estimated delivery Oct 29 - Nov 3
Each of the large Aluminum Alloy tuning forks is hand ground to high accuracy and has a frequency of 440 Hz (hertz=cycles / second)
1 x Manual
ensuring a long-lasting educational tool for science classrooms
Wavelength: 532nm Green Laser – 650nm Red Laser
Tray Flame Red Each of the large AluminumStrong and rigid. Built to last & recyclable. Premium Quality: Tray Flame Red is made of high quality, heavy duty and durable materials. Designed for use in classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
