If you are looking for a value priced windshield repair kit that performs efficiently, look no further! The Velocity  Express Windshield Repair Kit is designed  with you! The bridge, injectors and pumps are interchangeable between the Accelerator, PowerTech and RapidTech kits, so you can mix and match any of the components. The Velocity  pump provides for quick change between vacuum and pressure cycles. The press down attachment suction cup holds the bridge securely on the glass