80 series     Features UL And C-UL Listed 5 Year Guarantee Suitable for Any Type of Interior Door And Reverisible for Both Right and Left Hand Doors With Speed Adjustment Adjustable Back Check Standard High Strength Rressure Cast Alluminium Hosing Available in 5 Different Colors,White, Silver, Gold, Brown and Bronze Hold Door Open At Your Desired Angles Over 85o, By Built-In Hold-Open Device Dual Valve Specifications Model Finish Closer Size mm Door Weight Remark QIII(80) ALUMINUM 138×61×59 25~45kg Non-stop GMQ-81 ALUMINUM 194×68×67.5 40~65kg Non-stop GMQ-181 ALUMINUM 194×68×67.5 40~65kg Hold open GMQ-82 ALUMINUM 206×71×72.5 60~85kg Non-stop GMQ-182 ALUMINUM 206×71×72.5 60~85kg Hold open GMQ-7002 ALUMINUM 206×71×72.5 60~85kg Non-stop GMQ-511 ALUMINUM 195×72×76 40~65kg Non-stop Installations and Accessories       f