Feature: Made of high quality zinc alloy, more durable. Surface of the clip is treated with electroplating, better corrosion-proof effectiveness. Equip with plastic, hold the flask more firmly. This product is used to fix condensate tube or flask on retort stand and marble titration table. Light and easy to operate. Specification: Material: Zinc Alloy and Plastic Surface treatment: Electroplating Product length: 23*5*2cm / 9.1*2*0.8in Weight: 157g / 5.5in Application: Condenser, Laboratory flask.etc Package list: 1 * Clamp Note: 1Made of high quality zinc alloy, more durable. 2Surface of the clip is treated with electroplating, better corrosion-proof effectiveness. 3Equip with plastic, hold the flask more firmly. 4This product is used to fix condensate tube or flask on retort stand and marble titration table. 5Light and easy to operate.