○Instant purchase is welcome○ Although the product is new and unused, it is listed as "like new" due to damage to the box or dirt on the packaging. As this is a private sale, please refrain from purchasing if you are looking for a perfect product. m(_ _)m Please refer to the photos for details‧⁺ ⊹˚. ※I want us to have a pleasant transaction, so please ask any questions or express any concerns before purchasing! [Size]: Overall size: 51x48mm (L * W); Maximum width of hose that fits: 18.5mm [Screw Compressor]: Designed with a screw compressor to adjust the flow of liquid in the hose mount. [Strong Clamp]: With a strong clamping force, the experimental supplies held in the clamp will not fall. [Applications]: Widely used in chemical tests, scientific experiments, education, etc. [Package Contents]: 20x Flow Control Clamps uxcell Flow Control Tube Clamp, Adjustable Spiral Screw Compressor Hose Clamp, for Lab, Pack of 20, Silver Other products are available at #aya_yuu! We will offer a small discount for those who purchase multiple items or follow us, so please feel free to ask❁⃘*.゜