1.Concealed door closer,passed EN1154 test 500,000 cycles,suitable for timber or metal door 2.Using ... test 500,000 cycles,suitable for timber or metal door Description1.Concealed door closer,passed EN1154 ... brown,brown,gold 5. suitable for timber or metal door.6.item No.: 4022,4023,4302, ... ,stop at 0°-120°,hold open adjustable. Advantage 1.Modern style, Exquisite quality & Competitive price2.Variety ...