Ideal for student use, these clamps hold test tubes measuring up to 25 mm firmly and can be manipulated easily. Made from brass.<BR><BR>One-piece construction with an overall length of 13 cm (5 inches).With molded finger grips to help students work with test tubes. <BR><BR>Package of six.
For joining two rubber tubes to a common tube at right angles. Safer connections are provided as the ends have constrictions to hold rubber tubing securely.