Features 1、Can work with alcohol lamp. Simple instrument for laboratory chemical reactions. 2、Suitable for the use of schools, factories, scientific research units, families, hospitals, laboratories, laboratory. 3、The clip head is made of high-quality rubber, anti-skid and anti-corrosion, more clip firmly and safer to use. 4、Commonly used lab instrument for physics and chemistry experiment. 5、Made of high quality materials, durable with long service life. Specification Condition: 100% Brand New Item Type: Laboratory Stand Material: Iron+Rubber Color: As shown in the picture Base: Approx.21x14.2x1.6cm / 8.3x5.6x0.6in Small Iron Ring: Approx.50x187mm/2x7.4in(ID X L) Medium Iron Ring: Approx.66.8x195mm/2.6x7.7in(ID X L) Large Iron Ring: Approx.88.5x205mm/3.5x8.1in(ID X L) Cross Clip: Approx.10.8cm/4.3in Large Flask Clip: Approx.25.2cm / 9.9in Small Flask Clip: Approx.25cm/9.8in Universal Clamp: Approx.27.7cm/10.9in Weight: Approx.2000g/70.55oz Package List 1 x Base 3 x Iron Ring 3 x Cross Clip 2 x Flask Clip 1 x Universal Clamp 1 x Pack Fitting