ERGOTRON SV4x Main Lift Engine for LCD Carts

"ERGOTRON SV4x Main Lift Engine for LCD Carts Requires installation by a certified technician. For LiFe Powered Carts only. Note: Service Kit replacement parts can be obtained directly from Ergotron. Contact an Ergotron customer service representative for more information. Part Number: 05-057 Product Weight: 8.5 kg Shipping Weight: 9.9 kg Description: Lift Engine for StyleView SV4x LCD Carts"