HOF Furniture Systems Pvt. Ltd. Offers High Back Premium chairs with Padded Arms. HOF Furniture Systems Pvt. Ltd. Is an ISO 9001:2008 certified company. The company also manufactures numerous high back and medium back premium chairs. High Back Premium chairs with Padded Arms under the model name Sli 471 or Slice has aluminium die casted Base with Knee Tilt Synchro Mechanism with any position lock. The seat and back of High Back Premium Chairs with Padded Arms are made from high density U - foam. The chair has adjustable arms with PU pad.