Support Ring, Steel Rod, Steel rod, zinc-plated support ring with attached boss head clamp and thumbscrew, Distance from support to center of ring is 4-1/2in for all sizes, Diameter: 3
Support Ring, Steel Rod, Steel rod, zinc-plated support ring with attached boss head clamp and thumbscrew, Distance from support to center of ring is 4-1/2in for all sizes, Diameter: 4
Pipette Pump, Are Essential For Filling Pipettes With The Accuracy Needed In The Lab, Our Pumps Grip Pipettes Tightly, Have Both A Thumb-Wheel For Precision In Delivery And A Quick Release Option, And Are Easily Cleaned, Pump Can Hold, Size: 25Ml Of Fluid
Build your own Birdhouse Kit, Teachers, this is a great and affordable way to get your kids Design, Building while creating something practical and at the same time beneficial for the environment, Perfect size for a chickadee or finch, Comes unpainted, Assembly required