1.crystal knobs, door knobs 2.common size 3.fashion design 4.use for furniture, home etc 5.high quality crystal knobs, door knobsSpecification for crystal knobs, door knobs1. many color2.size: 20, 25,30,40,50,60mm3.fashion design4.use for furniture, home etc5.high quality6.material: glass7.reasonable price crystal knobs, door knobs