Three-Finger Lab Clamp with Bosshead, PVC-Coated, up to 3.5" Pack Size_100 this 2-pack of 20oz Griffin-shape

this 2-pack of 20oz Griffin-shape borosilicate beakers adds a pouring spout for everyday home use

Walks students through four-stroke diesel operation on a 16-inch hand-cranked model

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

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

Aluminum-handled collecting net swings lightweight through tall grass and air sweeps for classroom field trips and introductory entomology sampling work

Three-Finger Lab Clamp with Bosshead, PVC-Coated, up to 3.5" Pack Size_100 this 2-pack of 20oz Griffin-shapeBuilt to grip round flasks and condensers during distillation or reflux, this three finger lab clamp pairs vinyl coated prongs with a swivel bosshead for flexible rod mounting.