ITEM NAME:Aluminum Alloy 35kg Automatic Hydraulic Door Closer with Parallel Bracket E E9Z6 Aluminum Alloy 35kg Automatic Hydraulic Door Closer with Parallel Bracket E E9Z6 Made of high-quality aluminum alloy, protected by 3 layer lacquer, it is anti-oxidation. Two hydraulic valve separately control the closing and latching speed. The rack and spline made of high-carbon steel is not easy to be deformed and operated. Exquisite sealing design, help prevent oil leakage. Color: Silvery Material: stainless steel Has 3 size for you to choose and each size suits to doors in different weight. Own adjustable arm amp; screw to suit your needs. Easy to install and operate. Before installation, don't switch the stalk of gear shaft over 180 °,or the door closer will be damaged. The 85kg sized door closer is used for 65-85kg iron / stainless steel / fireproof doors; The 65kg sized door closer is suitable for 45-65kg wooden door and light-weight iron door; The 35kg sized door closer can be used to 25-35kg wooden door and light-weight iron door. Size: 35kg Main Body: 14 * 6 * 6cm / 5.51 * 2.36 8 2.36in Adjustable Arm: 15.5-24cm / 6.1-9.45in Whole Link Pivot Set Length: 37-45.5cm / 14.57-17.91in Item Weight: 802g / 28.29oz Package List: 1 * Door Closer Set 1 * English User Manual 1 * Screw Set Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.