General purpose clamp - span 80 - AlJUCHHEIM universal clamp made of aluminum with cork covered clamping surfaces. Robust design for durability. For clamping glass vessels, tubes, hoses and all other components of a laboratory set up up to 80 mm diameter. Material: aluminum (mechanically and thermally resilient) Clamping surfaces covered with cork to protect the glassware Span 0 80 mm Rod diameter: 10 mm