MULTIPURPOSE - Our Joint clips are great for laboratory, home, teaching use, fit for clamping connections of 10/18mm and 10/30mm glass conical joints, widely suitable for teachers, testers, etc.

WHAT YOU GET - The package comes with 10pcs Joint clips that measure 1.02 x 0.39-inch; the top Inner Diameter is 0.31-inch and the bottom Inner Diameter is 0.43-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 10/18mm and 10/30mm 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.