6-Piece Steel Spring Set with Looped Ends Lab Supplies_Spring Scales with banana-plug terminals for optical-bench

with banana-plug terminals for optical-bench and physics-demonstration circuit setups

Nine-piece stainless steel hooked weight set spanning 10 to 1000 grams in a polished wooden storage block

27mm diameter

Extending up to 65 feet from a 20cm closed height on the included wooden stand

Six-lens optics set of three double-convex and three double-concave glass lenses with ground beveled edges

6-Piece Steel Spring Set with Looped Ends Lab Supplies_Spring Scales with banana-plug terminals for optical-benchSix spring steel set with looped ends across six sizes, producing a spread of spring constants for Hooke's Law and mass spring comparison work in introductory mechanics.