Economical Stainless Steel Class 7 Weight Set with No Certificate, For rough weighing operations in physical and chemical laboratories, such as force measuring apparatus. 1g
Class 7 Economical Stainless Steel Cylindrical Weight, For rough weighing operations in physical and chemical laboratories, such as force measuring apparatus. 50g
Density Set Polypropylene, Set of 12 Polypropylene cylindrical bars of different length but the same diameter. Students learn that the density of a substance is constant even as itsmass and volume change. Comes in an attractive wooden holder
Hooked Weight Set, Material: stainless steel, Both sets come with a sturdy plastic storage block, includes one each of 5g, 10g, 50g, 100g, and 500g, plus two each of 20g and 200g weights, set of 9