Yaheetech Computer Desk Chair Office Task Chair Ergonomic Mid Back Lumbar Support with Wheels Comfortable Mesh Seat Adjustable Swivel Rolling Home Executive Chair, Black
Brand: Yaheetech
Color: Black

Specifications:
Material: iron, PP, nylon mesh, foam, nonwoven fabric, composite boards, steel
Overall dimension: 60 x 62 x (93-102)cm/ 23.6 x 24.5 x (36.6-40.2)’’ (WxDxH)
Adjustable seat height: 36.5-46.5cm/ 14.4-18.3’’
Seat size: 47.5 x 48.5 x 6.5cm/ 18.7 x 19 x 2.6’’ (LxWxThickness)
Maximum weight capacity: 125kg/275lb
G.W.: 9.6kg/21.2lb
N.W.: 8.1kg/17.9lb
Color: black
Note:
1. For your safety, please do not stand on this chair.
2. Please allow ±1.5cm/0.6inch errors in seat height due to manual measurements.
Quick overview:
A good office chair can be beneficial to a productive workday. Our 360° swivel ergonomic mid-back chair is your most cost-effective choice for office and home. Soft sponge padded seat and breathable mesh backrest give you a cool and comfy seating experience even during the hot weather. Curved backrest can reduce your back fatigue after long-time sitting. Adjustable seat height to your variable needs. Five wheels can be rotated and rolled in all directions, which is convenient for multitasking. Tilting design helps you recline for better relaxation after hard work. This durable and sturdy mesh chair is ready for your long-term use.
How to Dismantle Pneumatic Cylinder?
Step 1: Disassemble the wheels from the claw base.
Step 2: Stand on the claw base to make it stable, then hold the armrests and shake the chair leftward and rightward while lifting the seat up. Repeat 5-6 times until the pneumatic cylinder and the base come off the seat.
Step 3: Turn over the claw base. Use a hammer (preferably a rubber hammer) to tap on the center of the base to loosen and disassemble the air cylinder from the base.
NOTE: We recommend applying edible oil/engine oil/ inhibitor to the connection between the air cylinder and the claw base for lubricating.

【QUICK & EASY ASSAMBLY】 Simple instructions enable anyone to put this executive chair together in several simple steps! Then once built you can adjust the chair to your individual needs. The chair's pneumatic controls will let you raise or lower the seat and tilt back the backrest or sit straight up. You can easily find the ergonomic position that will allow you to work comfortably for long periods of time.
【ERGONOMIC MID-BACK DESIGN】Designed with human-oriented ergonomic construction, streamlined armrests fit the curve of your arms, allowing you to sit comfortably on a work chair. The locking mechanism is easy to adjust the height from 12.4'' to 16.3'', keep the back upright, can take care of your lumbar spine, help prevent back strain and muscle fatigue. which can perfect fit both tall and short people, suit long time use, give you creative design!
【QUALITY MATERIAL】This rolly ergonomic conference chairs constructed of hard-wearing nylon mesh, durable star base, solid rolling casters and SGS-certified gas cylinder.The swivel back support office chair has passed BIFMA X5.1 Test and is recommended for office use for customers under 200 lbs.
【STAY COMFY】Ergonomic mesh back allows air, body heat and water vapor to pass through, keeping away the buildup of heat and humidity close to the body. High-density foam Seat, Lumbar Support provide sufficient support for your lumbar and neck, relieving your fatigue of sitting for a long time.
【CONVENIENT TO USE】By simply pushing the lever or pulling it out, this back support office chair can be tilted and leaned backward to suit your sitting positions. A tilt tension control knob under the soft seat is provided to adjust the recline angle. Pneumatic controls make our arm chair easier to raise or lower the seat. The PU casters provide great mobility, suitable for hard floors, carpet and more, while being silent during swivelling and moving without scratching your floor surface.