Boss Ergonomic Adjustable Office Chair [B2007-BK] Office Furniture Back Size: 17"W x 16"H

Back Size: 17"W x 16"H x 3"Thick

This stool works well for lower height shops or workbenches and is built to hold up under rugged use

Seat Size: 20"W x 20

- This is the more expensive

Boss Ergonomic Adjustable Office Chair [B2007-BK] Office Furniture Back Size: 17"W x 16"HThis high back ergonomic office chair from Boss Office Products features thickly padded seat and back cushions with an adjustable height backrest and back angle lock for perfect positioning of the built in lumbar support Features: Seat tilt lock Adjustable tilt tension control Pneumatic gas lift seat height adjustment Adjustable height armrest Large 27" nylon base with dual wheel hooded casters This office chair is available in your choice of four