Plastic, tubular Newton spring balances. Dual scale labeled, perfect for classroom or laboratory use, physics experiments and demonstrations.

• Durable and easy to use design
• Clear tube made of strong acrylic
• Spring mechanism is clearly visible
• Mounting ring connected to top. Mass hook connected to the bottom
• Zero(ing) adjustment built into unit

Each range is color coded for convenience and is scaled in both grams and Newtons.