Features

• Upgrade set of 4 stainless support frame ( 2 PCS each side ), Not easy to tilt or broken. More durable.
• About the support frame: Integrated construction and no extra screws required. Not easy to loosen over time. Easy installation and more strength than split type. ( As figure 3 shown )
• Upgrade high strength crisscross rib design. ( As figure 2 shown ), More stronger torsion resistance. - Upgrade high density sponge design. ( As figure 5 shown ), More durable and more better support.
• Easy installation - No drilling required, You can finished it within 10 minutes.If you are not sure whether it is suitable for your model, please consult customer service before purchasing.