Additional Details ------------------------------ Product description: Description For ESI Ergo Solution ALL FIT Compact Arm: 1.An ultra compact arm and keyboard platform for shallow work surfaces The ESI Ergo SOLUTION ALL-FIT is an ultra compact arm and keyboard platform. 2. Includes a PL003-27N keyboard platform and AA100 lift lock articulating arm. 3. ESI has developed a unique technology to achieve full keyboard retraction under a worksurface as shallow as 13. 4. This innovative mechanism retracts within itself upon reaching the back of the track. 5. Keyboard platform The SOLUTION ALL-FIT features a 27 platform with notched cutout for additional retraction. 6.It is designed for benching systems tables where minimal track space is available.. Benefits: 1. This keyboard platform is for use with straight edge work surfaces and accommodates left or right-handed users. 2.Lift and Lock articulating arm The AA100 Articulating arm features a lift and lock height adjustment with +10º/-20º tilt adjustment and 360º rotation. 3. It has a 12.75 glide track with 6 range of height adjustment. 4. It provides a full retraction on a 13 deep work surface with 2 3/8 above track and 3 5/8 below track. 5.The recommended clearance needed under the work surface is 13