This stainless steel crucible clamp is professionally made for laboratory use. Adopting high quality stainless steel material it is rustproof corrosion resistant and high temperature resistant. Perfect for holding graphite crucibles and matching with muffle furnace high temperature furnace equipment. The clamp jaw fits tightly to grip the crucible firmly without slipping. Solid durable structure safe and easy to operate a necessary tool for chemistry labs teaching and scientific research. Made of premium stainless steel sturdy rustproof and long lasting Special design for graphite crucible muffle furnace and lab high temperature use High temperature resistant and anti corrosion not easy to deform under heat Precise jaw design holds crucible tightly non slip safe for lab operation Durable solid construction ideal for school chemistry and laboratory use