A staple among lab supplies, these slotted masses have the weights clearly marked, and are designed to securely hang from slotted mass holders. Essentials for even medium to heavy mechanics applications.
The standard set has masses totaling 1.1 kilograms with a resolution down to 10 grams. The second set contains all of those masses but adds 5 g, 2g and 1 g masses to give resolution down to 1 g.
Mass hangers are sold separately.