Check the listing for details. M10 x 1 Male Hex Head Plug 304 Stainless Steel Solid Thread Pipe Fitting 3Pcs. Condition: New. Listed at 12.63 USD. Features:1. ✔ 304 Stainless Steel for corrosion resistance, ductility at high temperatures, and low magnetic permeability2. ✔ It is a silver tone outer Hex Head Pipe Connector that is for closing and terminating the end of a pipe.3. ✔ Great for blocking off intake manifold water ports, water pump ports, water temp and oil sender holes, engine block .4. ✔ In order to enhance the sealing performance,you can use O rubber ring.Specifications:Thread: M10*1Thread length:5mm/0.47inchHex Width :10mm/0.39inchMaterial: 304 Stainless SteelTotally Size:17mm x 14mm/0.67inch x 0.55inch(L x Max.D) Package includes: 3pcs x Pipe Fitting Description:Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries.