Features Prevent Slipping: Lab Clamp is very convenient to use, equipped with plastic, can hold the flask more firmly, and it is not easy to slip off when gripping. Knob Adjustment Design: There are single and double adjustment designs, which can adjust the separation distance and bring convenience to customers. Exquisite Craftsmanship: Smooth surface, not easy to deform, stable quality, beautiful and generous, delicate craftsmanship, long use time. Stainless Steel Design: Made of high quality 304 stainless steel, more durable. How to Use: Chemical flask clamp is used in conjunction with the iron stand to clamp the fixed layer and fold the column, and fix the condenser tube or the flask on the distillation table and marble titration table. Feature: Equip with plastic, hold the flask more firmly. Easy to install and use. specification： Material: 304 Stainless steel and Plastic Model: Big, Samll(Optional) Produtc length: Big: 25cm / 9.8in Small: 17cm / 6.7in Application: Condenser, Laboratory flask.etc Package list: 1 * Clamp Note: There may be a slight deviation in the measurement of product dimensions. Package List