Rubber Tapered Plug 45mm to 56mm with 8mm Hole Tubes Stopper White 2 Pieces Roller Bottles Colour: Black

Colour: Black

Please pay attention to the size specification of the product

Outside Diameter: 20mm

Overall Length: 200mm

for 5mm thick glass use

Rubber Tapered Plug 45mm to 56mm with 8mm Hole Tubes Stopper White 2 Pieces Roller Bottles Colour: BlackWhat is this? The Rubber Tapered Plug is great for laboratory utensils such as flasks, test tubes, or other laboratory applications, also can as a sewer plug, water pipe plug, or drain plug. What will I get? The tapered plug is in size of: Bottom Diameter: 45mm 1. 77 inch; Top Diameter: 56mm 2. 2 inch; Height: 35mm 1. 38 inch; Fit Hole Size: 48 54mm; In the package of: 2 x Rubber Tapered Plug Are there any advantages of the product? Made of Rubber,