Office Master DB57 Discovery Back Ergonomic Task Chair Medium

The Office Master DB57 Discovery Back chair is built for average to medium stature users and designed to specifically address those seeking to promote a healthier seating posture. The unique "Pear-Shaped" design of the DCS Memory Foam backrest permits a seated user's shoulder blades to travel more fully rearward when leaning back preventing scapular impedance.  DB57 features a multi-function control mechanism that includes seat depth adjustment (seat slider), infinitely locking back tilt, infinitely locking seat tilt, and easy back height adjustment. Discovery chairs are deal for ergonomic situations or environments with heavy presence of side-to-side tasking (i.e., nursing stations). Chair Adjustments: Benefits: Rated for 250 lbs max. weight capacity Ideal for ergonomic situations or environments with heavy presence of side-to-side tasking (i.e., nursing stations)                           Supremely comfortable ergonomic backrest shape allows for full back "stretch" and avoidance of scapular impedance                        Incorporates proprietary TLC technology Features: Adjustable lumbar Pneumatic lift Infinitely locking seat tilt Infinitely locking back tilt Easy back height adjustment Fabric panel back standard Seat slider (seat depth adjustment) TLC Dual Density foam backrest Soft casters  Options available include a wide variety of Arms, Casters, Cylinders, and Memory Foam Seat. See below for more detailed information. A wide variety of 5 fabric grades as well as leather available with 429 total color options. All DB Series models upholstered in Grade 5 Comfortknit feature an elegant fabric panel back that is upholstered in a super-durable, high double rub fabric. See link to complete Fabric and Color catalog below: VIEW FABRIC & COLOR SWATCHES BY GRADE Specifications: Seat Height Range: 16" - 21" Back Dimensions: 9.5" x 18" w x 23.5" h Seat Dimensions: 21" w x 18"-21" d Overall Width: 27" Overall Height: 39-51" 12 year Limited Warranty  Adjustable Lumbar:   Arms: Note: Arm height adjustment ranges shown in the pdf below are affected when the DCS Memory Foam seat option is added to your chair. Subtract 1.5" from what's shown when DCS seat is added. For example, an arm height range of 9" - 12" will be 7.5" - 10.5" when DCS seat is added (all measurements are approx.). VIEW ALL ARM OPTIONS Casters: Cylinders: Note: Seat height adjustment ranges shown below are affected when the DCS Memory Foam seat option is added to your chair. Add 1.5" to what is shown below when DCS seat is added. For example, a seat height range of 17" - 22" will be 18.5" - 23.5" when DCS seat is added (all measurements are approx.). 5" Black - Seat height range: 16-21" (standard) 5" Chrome - Seat height range: 16-21" 5" Black Heavy Duty - Seat height range: 16-21" 4" Heavy Duty - Seat height range: 15-19" 6" Black Heavy Duty - Seat height range: 18-24" TLC Seat (optional): Sigh-producing , dual-density seat cushion featuring 2 different pieces of co-molded foam (comfort + support layers).  Fabric Panel Back (standard): Matching fabric applied onto outer back shell. VIEW FABRIC & COLOR SWATCHES BY GRADE