Test Tube Holder Counters Powder-Free

Powder-Free

This life size model vividly demonstrates how the heart works and the blood circulates inside human body

where non-pharmacological treatments have failed to provide sufficient relief

Physical laboratory aid tools make learning of physical experiments more efficient

Lens is made of high-grade Glass

Test Tube Holder Counters Powder-FreePlated spring steel wire holder. With finger grip for better balance and stability. Alignment is maintained by the wire collar. Rust Proof, made up of steel which is long lasting. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.