Lead shield container is suitable for higher activity gamma sources. Holds up to 20 discs of size 1in. Outside Dimensions: 3.6 x 2.25inches, Interior Dimensions: 2.65 X 1.25inches, Thickness: 0.5, painted exterior, colors may vary
Lead-Free Density Blocks With Hooks, Ideal For Studying Density And Specific Heat Without Using Lead. A Block Of Brass, Copper, Aluminum, And Steel Are Included In The Kit Along With A Complete Instruction Manual, Density, Specific Gravity, And Specific Heat