High Quality: Made of High Quality Metal, Which Is Stable, Rust-Proof and Reliable for Long-Term Use. All Parts Are of High Quality, Durable and Suitable for Long-Term Use. The Complete Set Is Ideal for Changing or Exchanging: The Workmanship of All Parts Is High Quality, Durable, Suitable for Robust Use and Should Not Be Missing In Any Repair Kit and Accessory Set. .Quality & Reliable: Used for Replacing The Old Valve Core To Stop Air Leakage. The Processing of All Parts Is High-Quality, Durable and Suitable for Robust Use. This Bicycle Valve Insert Set Is Ideal As A Replacement and Should Not Be Missing In Any Patch Kit or Repair Accessory Set. .Easy To Use: You Can Make The Exchange Within A Few Seconds.Ideal Replacement for Your German or English Old Style Bicycle Valve. Consisting of 16 Parts: 4X Blitz Valves (Valve Insert) + 4X Valve Protection Caps + 4X Union Nut + 4X Rim Nut. It Is Ideal As A Spare Part, Exchange, Replacement and Repair Kit for All Tires and Wheels With Dv Dunlop, Blitz, Standard or Holland Valves.