Fully adjustable operator chair with control triggers allowing seat height and tilt angle adjustment in less than half a second over 275 individual components are used on each triigger 275 chair with a ten year warranty for complete peace of mind multi directional armrest functionality adjustable seat depth height adjustable backrest and lumbar support as standard aluminium alloy frame 12 9 class screws tpee du pont mesh and calfskin leather accents make up a checklist of desirable mate