Product Number: SB07985
In Stock (Ships within 1-2 business days)
Brass ball, 3/4 diameter, fits into brass ring. Ball passes freely through ring when both are at same temperature. After application of heat, as little as 100° C change in temperature, the ball cannot pass through the ring until it cools or until the ring is heated. Wooden handles.
|Brand : United Scientific Supply|
|Item Weight : 0.63|
|Manufacturer Part Number : BRA001|