Hardware Product» Screen/Storm » Door Closer » Medium Duty Pneumatic Door Closer With External Spring Medium Duty Pneumatic Door Closer With External Spring WELLSCOID SIZE FINISH Material PType UNIT OFMEASURE BOXQTY CARTONQTY 06-2572B DIA 1 1/4" x 9" Aluminum Aluminum Box PACKS - 20 06-2572C DIA 1 1/4" x 9" Aluminum Aluminum Carded PACKS 5 20 กก