Packing: 2pcs
Material: stainless steel + silicone
Bottom Diameter:25mm / 0.98 inch;Top Diameter:33mm / 1.3 inch;Height:28mm / 1.1 inch;Matching Hole Size:28-30mm
Good resistance to chemicals, acids and alkalis, can withstand high temperatures for a short period of time.
Tapered design, sturdy, easy to install, good sealing performance, flexible and durable, not easy to crack, shrink, harden or fracture
There is a handle on the top for easy installation and removal
Ideal for labware such as flasks, test tubes or other laboratory applications, can also be used as a sewer plug