Blulu 2 Pairs 9 Inch Garage Door Plunger Bumper Spring Set, Galvanize Carbon Steel Replacement Plunger Bumper Push Rod Buffer Spring, Left and Right Garage Door Opener Part Hardware Tool, Silver

Blulu 2 Pairs 9 Inch Garage Door Plunger Bumper Spring Set, Galvanize Carbon Steel Replacement Plunger Bumper Push Rod Buffer Spring, Left and Right Garage Door Opener Part Hardware Tool, Silver

• Two Pairs of Double Spring Combination Installation (left and Right Pairing): our package includes 4 pcs 9 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 9 inches garage door plunger bumper pusher spring boasts a total length of 9 inches / 22.86 cm, these springs seamlessly fit standard American track spaces without the need for cutting and modifications; Suitable for most garage doors, providing maximum protection and extending the service life of garage doors
• 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