HON® Adjustable Task/Lab StoolSolid construction stands up to heavy use. Antimicrobial upholstery wipes clean with ease and protects the stool from the growth of germs. Comfort and versatility.Global Product Type: Drafting & Task Stools Recommended Application Area(s): Assembly/Repair & Technical Task; Classroom & Training; Healthcare Seat Color: Black Color Family: Black Arms Included: No Weight Capacity: Supports Up to 250 lb Pneumatic Seat Height Adjustment: Yes Back Height Adjustment: No Seat Glide Mechanism: No Tilt Tension/Tilt Lock: No Knee Tilt: No Synchronized Knee Tilt: No Dual-Action Tilt: No Posture Lock: No Multi-Task Control: No Asynchronous Control: No Dual-Clutch Posture Control: No Variable Synchro-Tilt: No Integral Lumbar Support: No Overall Width Maximum: 24.25" Overall Depth Maximum: 27.25" Overall Height Minimum: 17.25" Overall Height Maximum: 22" Seat Width Maximum: 16" Seat Depth Maximum: 16" Seat Height Minimum: 17.25" Seat Height Maximum: 22" Seat Diameter: 16" Seat Surface Material: Vinyl Seat Surface Material Family: Vinyl Base/Frame Color: Steel Base/Frame Material(s): Steel Caster/Glide Details: Five Casters Product Biodegradability in Days: 0 Compliance Standards: Meets or Exceeds ANSI/BIFMA Standards; Meets or Exceeds ISTA Performance Standards Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content Percent: 0% Total Recycled Content Percent: 0% Disclaimer Statement: Casters supplied with this chair are not suitable for all floor types.