These pneumatic diaphragm pump repairing kits are made of high-performance materials. They are practical and professional, with excellent texture, reasonable design and practical functions, and can be well used for simple maintenance and replacement. Features -Color: Assorted. -Material: Steel, silicone. -Size: About 14.00X14.00X0.10cm/5.50X5.50X0.04in. - The design is reasonable, easy to install, repair and replace, it is a very practical kit. - Mainly suitable for pneumatic diaphragm pump repair, designed to provide you with better working performance. - It is made with craftsmanship and will not be easily broken or damaged. It will be a for you. - Easy to replace, professional and , will bring you a good experience. - Kit contains necessary gaskets, , piston, connecting rod bushing and sliding block parts and other parts to repair one diaphragm pump body. Package list: 1 set x diaphragm pump repair kit