Description The lab cross clamp features double-screw bosshead construction, providing secure, adjustable support for test tubes, flasks, and laboratory glassware. This iron stand clamp holder is designed for chemistry, physics, and science teaching labs, ensuring precise object positioning for professional and educational experimental setups. Features -Color:Black -Material:Iron -Size:10.00X2.00X2.00cm/3.93X0.79X0.79in -Screw diameter: 7mm -Precise laboratory support: the doublethreaded lab cross clamp ensures secure attachment of beaker holder racks and test tube stands, reducing equipment slippage during experiments -Easy adjustable mechanism: this adjustable lab clamp offers flexible positioning for various glassware, perfectly adapting to different experimental setups -Versatile experimental setup: this iron stand cross clamp holds multiple objects, making it an ideal lab clamp holder for flasks, burettes, and lab glassware in both school and professional laboratory environments -Durable material construction: the laboratory iron stand clamp withstands repeated use, ensuring longevity for science chemistry equipment and frequent lab routines -Safe and accurate positioning: the cross clamp retort stand clamp structure precisely stabilize lab apparatus, minimizing errors in chemical experiments and supporting highprecision scientific measurementsPackage list: 4 x test bench fixtures