【 Sentry Safe Piston Replacement】Euplokeer 7.6in Sentry safe gas shock spring replacement compatible with QAP1BE QAP1E QAP1BLX sentry safe box . Replace the old hydraulic in your Sentry safe box door lid. 【 Package Includs】There have a direct replacement kit with everything you need in one package. Includes a gas shock and spring and corresponding connectors . 【 Strut Size】Gas spring extended size 7.6in. Easy to install with just a flathead screwdriver! If you receive a gas spring with an inappropriate pressure value that causes the lid to open too quickly or too slowly please contact us for a replacement. 【How to choose】Determine the your box model and OEM interchange number of your old cylinder, then measure the extended length of your existing gas shock lift. Compare the force, size, OE number, and measurement with our lide lift support. 【Care from the Euplokeer brand】Enjoy 24-hour email response and a 15-month product exchange service. Euplokeer goes above and beyond. Feel free to reach out to us anytime with your inquiries Euplokeer 7in Gas Strut Shock Lift Supports Fit for Safe Box Lid Cover 2-PC