Spring-Loaded Projectile Launcher, 10ft Range Entomology & Zoology_Entomology Supplies Two-speed ticker timer kit printing

Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs

Hook-topped for easy suspension

with a 0 to 20 second reaction window for sanitation and food-safety checks

and steel in a snap-top case

Adjustable locking hook positions items 110 mm from the support rod on this suspension clamp

Spring-Loaded Projectile Launcher, 10ft Range Entomology & Zoology_Entomology Supplies Two-speed ticker timer kit printingSpring loaded heavy gauge steel projectile launcher with a string release trigger, dual bore sights, and a 1 degree protractor, firing a 19mm ball up to 10 feet with less than 1cm scatter.