Lab Clamp Retort Prong Jaw 2 Finger 10-50mm Adjustment，Rubber Jaws Labs Universal Clamp (5)

Rubber-Wrapped jaws can well protect your glassware from scratching bad
2 round jaws lab clamp with wing nut, Opening Range: 10-50mm
2 Finger Adjustment Lab Clamp ideal for laboratory,Perfect for test tubes, burettes, or flasks and any Universal Clamp
2 finger style rubber-wrapped head lab clamp Used for beaker clamp, test tube clamp, burette clamp, condenser tube clamp.
Labs Universal Clamp Holds Irregular Shapes Easily