Quality Drain Plug: This adjustable drain plug with T-handle is designed for sealing drains and preventing backflow, providing a leakproof seal. Easy to Use: To use this expansion plug, simply select the appropriate size. This high-precision product must be the correct size for proper function. Versatile Application: Ideal for preventing water backflow and odors in kitchens, overflow leaks on ship decks, and other drainage outlets. Material: Made of rubber and stainless steel for durability and long-lasting performance in marine and plumbing applications. Package Includes: 1 adjustable drain plug. Size Chart: Style A: Fits pipe diameter range 25–31mm (0.98–1.22 inches); hole diameter must be greater than 25mm (0.98 inches) Style B: Fits pipe diameter range 32–37mm (1.26–1.46 inches); hole diameter must be greater than 32mm (1.26 inches) Style C: Fits pipe diameter range 38–44mm (1.50–1.73 inches); hole diameter must be greater than 38mm (1.50 inches) Style D: Fits pipe diameter range 45–51mm (1.77–2.01 inches); hole diameter must be greater than 45mm (1.77 inches) Style E: Fits pipe diameter range 52–64mm (2.05–2.52 inches); hole diameter must be greater than 52mm (2.05 inches) Style F: Fits pipe diameter range 65–85mm (2.56–3.35 inches); hole diameter must be greater than 65mm (2.56 inches) Style G: Fits pipe diameter range 85–100mm (3.35–3.94 inches); hole diameter must be greater than 85mm (3.35 inches) Style H: Fits pipe diameter range 90–110mm (3.54–4.33 inches); hole diameter must be greater than 90mm (3.54 inches) Note: Please allow slight variations of 1–2cm due to manual measurement.