Brass 19mm: Description: Fitment: Fits for 19mm / 3/4" ; 32mm / 1-1/4" holes (Optional) Material: Made of stainless steel or brass (Optional) and rubber, rugged resistant construction. Easy to Use: cam type for plugs for tight and long lasting sealing. Installation: T shaped design, to install and remove, and will not leak or loosen under vibration. Turn: Fully adjustable will not leak or jar loose under vibration. Specification: Item Type: Plug Size Chart: Size: 19mm/0.75inch 32mm/1.26inch Brass 32mm: Description: Fitment: Fits for 19mm / 3/4" ; 32mm / 1-1/4" holes (Optional) Material: Made of stainless steel or brass (Optional) and rubber, rugged resistant construction. Easy to Use: cam type for plugs for tight and long lasting sealing. Installation: T shaped design, to install and remove, and will not leak or loosen under vibration. Turn: Fully adjustable will not leak or jar loose under vibration. Specification: Item Type: Plug Size Chart: Size: 19mm/0.75inch 32mm/1.26inch Package Includes: 1 Piece Plug Stainless Steel 19mm: Description: Fitment: Fits for 19mm / 3/4" ; 32mm / 1-1/4" holes (Optional) Material: Made of stainless steel or brass (Optional) and rubber, rugged resistant construction. Easy to Use: cam type for plugs for tight and long lasting sealing. Installation: T shaped design, to install and remove, and will not leak or loosen under vibration. Turn: Fully adjustable will not leak or jar loose under vibration. Specification: Item Type: Plug Size Chart: Size: 19mm/0.75inch 32mm/1.26inch Package Includes: 1 Piece Plug Stainless Steel 32mm: Description: Fitment: Fits for 19mm / 3/4" ; 32mm / 1-1/4" holes (Optional) Material: Made of stainless steel or brass (Optional) and rubber, rugged resistant construction. Easy to Use: cam type for plugs for tight and long lasting sealing. Installation: T shaped design, to install and remove, and will not leak or loosen under vibration. Turn: Fully adjustable will not leak or jar loose under vibration. Specification: Item Type: Plug Size Chart: Size: 19mm/0.75inch 32mm/1.26inch Package Includes: 1 Piece Plug 💗【Premium Material】Made of Brass & Rubber, rugged corrosion resistant construction. 💗【Easy Using】Mount from inside transom, Twist turn -Fully adjustable will not leak or jar loose under vibration 💗【Convenient to Use】Easy to use cam style for tight, long lasting seal. 💗【Wide Application】Suitable for 3/4","1" or 1-1/4" hole, Usually use for Boat bilge transom. 💗【Safe & Reliable】It is professionally manufactured, with strict quality control, long service life. The drain plugs is good accessories for your daily use!