3-Finger Vinyl-Coated Extension Clamp on Stainless Steel Rod, 3.4" Max Material_Acrylic and connecting leads mounted on

and connecting leads mounted on 4mm-socketed bases for building circuits from 40-plus components

the optical-grade body delivering cleaner refraction angles than acrylic peers for precision Snell's law work

Ratchet-stopped nickel-plated brass 25 mm micrometer screw gauge reading to 0

5 inch premium dynamics carts with nylon ball-bearing wheels and end hoops for elastic and inelastic collisions

Two rectangular slots accept square or round rods up to 16 mm in this aluminum alloy multipurpose clamp holder

3-Finger Vinyl-Coated Extension Clamp on Stainless Steel Rod, 3.4" Max Material_Acrylic and connecting leads mounted onVinyl coated three finger jaws hold apparatus up to 3. 4 inches without slipping, mounted on a 5. 5 inch stainless steel rod with thread fitted joints for smooth adjustment.