[Strong and versatile] Made of excellent metal and rubber materials, suitable for a variety of sizes of bottle , possess good heat resistance, high mechanical strength, and not easy to age.
[Widely used] Suitable for all kinds of plastic bottles, glass bottles, laboratory test tube bottles, centrifuge bottles, and medicine bottles.
[Easy and portable] Easy to carry and operate, can be easily used to tighten, loosen, or rotate various screw .
[Applicable size] The waterproof and leakproof interface of the special rubber pad is tight, suitable for bottle with a diameter of 30‑40mm, and the height of the bottle is not restricted.
[Non destructive or wear] With adjustable , can effectively avoid damage, reduce the wear inside the plug.