Best Height for Your Work From a low crouch to a standing position, the seat height can be adjusted to 12 levels (12.5" to 33.5", 2" steps) by removing the seat and hooking it to the horizontal bars located on the chair frame. This means you can easily adjust your seat height according to your needs. A single Pro Work Chair can guarantee the optimum work posture anytime, anywhere. Best suited for the working posture Conventional chairs tend to cause fatigue due to the uncomfortable posture they promote. The Pro Work Chair solves this problem with four special rubber attachments under the seat base which allow the seat to tilt to the front and to the left and right so that it can adjust to your body movements and disperse the weight. The front tilted position of the seat is especially beneficial because it maintaining the natural state of the spine and hip which means less stress to the back and thigh, reducing worker fatigue. Specification Product Name Pro Work Chair Tilted Seat+Seat Height Adjustable Model PW-600S PW-200S Size (mm) W420 x D590 x H930 W420 x D440 x H650 Height Range (mm) SH 330 - 860 SH 330 - 570 Weight 7.7kg 6.0kg Frame Powder coated steel pipe Frame Color Black, Yellow, Silver Seat Vinyl leather / Black Unit 1 Piece/1 Carton Gross Wtight 10kg/carton 7.2kg/carton Carton Size (mm) W430 x D175 x H1120 W430 x D175 x H790 Product Name Pro Work Chair Seat Height Adjustable Model PW-500 PW-100 Size (mm) W420 x D590 x H930 W420 x D440 x H650 Height Range (mm) SH 300 - 830 SH 300 - 540 Weight 7.1kg 5.4kg Frame Powder coated steel pipe Frame Color Black, Yellow, Silver Seat Vinyl leather / Black Unit 1 Piece/1 Carton Gross Wtight 9.4kg/carton 7.0kg/carton Carton Size(mm) W430 x D145 x H1120 W430 x D145 x H790