Brass Pendulum Bob ball 1 inch diameter with Hook Brushes Objective lens: 1 x to

Objective lens: 1 x to 4

115mm Length

20 x counters

Use it to teach student electrical knowledge

Robust and lightweight

Brass Pendulum Bob ball 1 inch diameter with Hook Brushes Objective lens: 1 x toIncludes: 1 x Heavy Duty Brass Pendulum Bob ball 1 inch diameter with Hooks. Rust Proof, made up of brass material which is long lasting. Used in number of applications in laboratory, home, general purpose or games. Premium Quality: Bob is made of high quality, heavy duty and durable brass. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes