it is durable and pratical
two sponges and two wicking pads installed in a composite cartridge
DurableThis fitting has a strong PBT housing with POM release button and zinc alloy ferrule
suitable for youths below 10 years old
6pc Specific Heat Metal Cylinders Set - Copper, Lead, Brass, Zinc, Iron & Aluminum - Includes Wooden Storage Block - for Specific Heat, Specific Gravity & Density Experimentation - Eisco Labs auspowers_batchfive it is durable and pratical6pc Specific Heat Metal Cylinders Set Copper, Lead, Brass, Zinc, Iron & Aluminum Includes Wooden Storage Block for Specific Heat, Specific Gravity & Density Experimentation Eisco Labs Product Features 6 piece specific heat metal cylinder set. Set includes copper, lead, brass, zinc, iron and aluminum. Each of the six metals in this set have the same volume, and measure 1. 5" (38mm) in length and 0. 4" (9. 5mm) diameter. Each cylinder features a drilled