Features 1、Slide Rail Design: The maximum distance of sliding forward is 95MM, and the maximum distance of sliding backward is 90MM. 2、Lifting Function: The seat height adjuster can raise or lower the height of the seat, and the maximum lifting height is up to 155MM. 3、Stable Structure: The vehicle seat lifting base is made of steel alloy material, which is strong, very durable and has a solid structure. 4、Practical: The universal seat adjuster allows you to adjust the seat position according to your needs and adjust it to a comfortable position. 5、Easy Installation: The seat height riser is easy to install and use. After removing the original seat base, replace the lifting base and fix it. Specification Item Type: Car Seats Height Adjuster Material: Steel Alloy Maximum Forward Moving Distance: Approx. 95mm / 3.7in Maximum Backward Movement Distance: Approx. 90mm / 3.5in Maximum Lifting Height: Approx. 155mm / 6.1in Applicable Model: Universal Package List 1 x Car Seats Height Adjuster