United Scientific® Brass Slotted Calibration Weight Set with Rack, 12-Piece Physics Lab Mass Set, 1g–500g Weights

This Deluxe Slotted Weight Set of 12 is a precision brass mass set designed for physics education, STEM instruction, laboratory demonstrations, and calibration exercises. Featuring twelve carefully calibrated slotted brass weights ranging from 1 g to 500 g, this comprehensive set provides students, educators, and laboratory professionals with a reliable solution for teaching and demonstrating principles of mass, force, gravity, acceleration, and mechanics. 

Constructed from durable brass for long-term accuracy and performance, the weights are designed to withstand frequent classroom and laboratory use. The included storage rack keeps each weight organized, protected, and readily accessible, helping maintain an efficient learning environment while reducing the risk of loss or damage.

This deluxe set includes:

• 1 × 500 g
• 2 × 200 g
• 1 × 100 g
• 1 × 50 g
• 2 × 20 g
• 1 × 10 g
• 1 × 5 g
• 2 × 2 g
• 1 × 1 g

Ideal for physics labs, engineering programs, STEM classrooms, and science education, the United Scientific® Deluxe Slotted Weight Set delivers dependable performance for experiments involving mass measurement, force calculations, pulley systems, balance demonstrations, and mechanical investigations.