Features The chemical piston clamp is made of high quality zinc alloy, which is more durable, exquisite in workmanship, smooth and delicate in appearance, sturdy and durable, and has a long service life. The surface of the clip is electroplated, with better corrosion protection effect, 100% new and high quality, reliable and safe. The capacitor clamp is equipped with plastic to hold the piston firmly, with stable performance and strong practicality. This product is used to fix the condenser tube or plunger on the marble distillation stand and titration stand, and it is believed to make your life more convenient. The burner holder clip is lightweight and easy to handle, small, lightweight and easy to carry. Specification: Material: zinc alloy and plastic. Surface treatment: electroplating Product length: 23 x 5 x 2 cm / 9.1 x 2 x 0.8 inches. Weight: 157g/5.5inch Application: radiator, laboratory flask, etc. Package list: 1 x clamp. Note: Package List