Blulu 2 Pairs 27 Inch Garage Door Plunger Bumper Spring Sets, Galvanize Carbon Steel Replacement Plunger Bumper Push Rod Buffer Spring, Left and Right Garage Door Opener Parts Hardware Tool, Silver

Additional Details from the Manufacturer

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More features

• Two Pairs of Double Spring Combination Installation (left and Right Pairing): our package includes 4 pcs 27 inches garage door plunger bumper springs, designed specifically for dual track garage door systems; This set ensures even support on both sides, preventing uneven stress and guaranteeing a smooth and stable operation of your garage door opener system parts
• Nice Fit with Ideal Dimensions: the 27 inches garage door plunger bumper pusher spring boasts a total length of 27 inches/ 68.58 cm and a spring section of 10 inches (25.4 cm); With its maximum width of 6 inches (15.2 cm) and height of 1.57 inches (4 cm), these springs seamlessly fit standard American track spaces without the need for cutting and modifications; Compatible with mainstream garage door models
• Good Material: crafted from galvanized carbon steel, our garage door buffer springs offer exceptional elasticity and durability; The surface is zinc coated for superior resistance to corrosion and deformation, extending the lifespan of these springs to over 20, 000 open-close cycles—twice the longevity of conventional spring; Forged from cold rolled steel, the fatigue strength is increased by 300
• Dynamic Tension Locking System: this garage door buffer springs continuously provides a constant tension of ≥200N through 10 inch spring segments, completely solving the problem of steel cable relaxation/sagging, ensuring the uniform opening and closing of the garage door and avoiding the risk of sudden jamming
• Effortless Installation and Compatibility: featuring a clip on track design, these garage door opener system parts are installed within horizontal tracks without the need for drilling or welding; A single person can complete the installation in just five minutes; If you want your garage door to function properly, replacing the old system or installing a new one, we will be your nice solution