Bench Clamp Pulley Fitting with Nylon Ball Bearing Material_Bristle Hand-cranked pulley steps up to

Hand-cranked pulley steps up to a smaller dynamo pulley through a rubber belt

Pocket-sized 45mm aluminum compass with a graduated dial

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

and polished — letting an infrared sensor compare emissivity at boiling-water temperature

Bench Clamp Pulley Fitting with Nylon Ball Bearing Material_Bristle Hand-cranked pulley steps up toNylon ball bearing pulley with a bench clamp fitting for edge mounting on a worktable, the lower friction variant of the metal bearing bench clamp pulley in the series.