Specification Brand : Fydun BulletPoint1 : Material: This lab clamp clips are made of premium less steel materials, antI and to use. Screw type locking nut design. Simple and convenient to use, it can be mounted on the experimental table. BulletPoint2 : Material: This lab clamp clips are made of premium less steel materials, antI and to use. Screw type locking nut design. Simple and convenient to use, it can be mounted on the experimental table. BulletPoint3 : Size: Available in Size 12#, 18#, 28#, 35#, 40#. BulletPoint4 : Size: Available in Size 12#, 18#, 28#, 35#, 40#. BulletPoint5 : Material: This lab clamp clips are made of premium less steel materials, antI and to use. Screw type locking nut design. Simple and convenient to use, it can be mounted on the experimental table. ItemName : Less Steel Lab Clamp Pinch Clip Glass Ball Clamp Laboratory Tools18# (28#) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 4 centimeters ItemTypeKeyword : science-lab-beaker-clamps Manufacturer : Fydun ModelName : Fydunhgpkm7dav8-13 ModelNumber : Fydunhgpkm7dav8-13 PartNumber : Fydunhgpkm7dav8-13 ProductDescription : 1. Suitable for hospitals, clinics, laboratories, beauty salons, individuals. 2. Made of premium stainless steel materials, anti- and to use. 3. Simple and convenient to use, it can be mounted on the experimental table. 4. Exquisite craftsmanship, smooth and glossy, not easy to . 5. Strong clamping force, the experiment supplies held by the clamp will not fall.