MULTIPURPOSE - Our Joint clips are great for laboratory, home, teaching use, fit for clamping connections of 19/22mm and 19/38mm glass conical joints, widely suitable for teachers, testers, etc.

WHAT YOU GET - The package comes with 20pcs Joint clips that measure 1.73 x 0.51-inch; the top Inner Diameter is 0.57-inch and the bottom Inner Diameter is 0.75-inch.

RELIABLE MATERIAL - This Joint clip is made of plastic, which is Wear-resistant, durable and reusable.

SPECIAL DESIGNED - This Joint clip is specially designed for 19/22mm and 19/38mm glass taper joints, to prevent them from joint separation during reaction.

KINDLY NOTE - Please read the measurements before ordering if you are concerned about the size.