6″ Chrome (Seat height: 19″ – 25.5″)

6″ Black (Seat height: 19″ – 25.5″)

4″ Chrome (Seat height: 15″ – 18.5″)

4″ Black (Seat height: 15″ – 18.5″)

5BTY (formerly CYL5-BTY)

•  5” black cylinder
• Note: This option is for STDP only

8BAT

• 8″ Black Cylinder

5AF (formerly CYL-5AF)

• This 5″ black cylinder raises seat height to (19”-24”)
• Note: Option available for STDB/STDP only

5WWY (formerly CYL-5WWY)

• 5” white cylinder for most OM5 Active Task and Wersky 

5BWY

• 5” black cylinder for most OM5 Active Task and Wersky (formerly WB5)

5BTY (formerly CYL5-BTY)

• 5” Black Powdercoated Cylinder

5CTY (formerly CYL5-CTY)

• 5” Chrome Cylinder 

4M (formerly CYL-4M)

• 4” black cylinder for BC chairs (minimum height lowered by 1”, changes range to 4”)

5AF (formerly CYL-5AF)

• 5” black cylinder for most task and executive chairs 

5BM

• 5” cylinder for OM5 Series
• Black housing with black colored piston (formerly OB5)

5CM

• 5” cylinder for OM5 Series
• Chrome housing with black colored piston (formerly OC5)

5CR (formerly CYL-5CR)

• 5” cylinder for most task and executive chairs
• Chrome housing with black colored piston

5HD (formerly CYL-5HD)

• 5” black heavy-duty cylinder (check with factory for model compatibility)

5M (formerly CYL-5M)

• 5” black cylinder for most of BC task and executive chairs 

8CHD (formerly CYL8-CHD)

• 8” heavy-duty chrome cylinder to accommodate intermediate drafting desk 

10CHD (formerly CYL-10CHD)

• 10” chrome heavy-duty cylinder for drafting stools

10M (formerly CYL10-M)

• 10” black cylinder
• Standard cylinder for BC drafting stools (range of 23-33”)

4HD (formerly CYL-4HD)

• 4” black heavy-duty cylinder (check with factory for model compatibility)