3 Results for: "Sempco"

Supplier: Sempco

This hooked mass set is an ideal addition to your classroom - its economical, convenient, and durable! A set of twenty plated steel hex weights with hook, ranging from 1g to 1kg, conveniently stored on a fitted wooden base economically priced.

Supplier: Sempco

A thin aluminum coating produces great sensitivity to electrostatic charges. Styrofoam pith-like balls measure 8 mm in diameter and each has a silk suspension cord.

Supplier: Sempco

Set of four, 12.5 cm dia. x 5 cm height each, mesh sizes; 10mm, 5mm, 3mm, and 1mm. Sieves nest for easy storage.