desktop nylon plastic takeaway box 35/50/53/60/80 zinc alloy computer desk threading cover 桌面尼龙塑料走线盒 35/50/53/60/80锌合金电脑办公桌穿线孔盖板

plastic round type a- hole: 50mm plastic round type a- hole: 53mm plastic round type a- hole: 60mm plastic round type a- hole: 80mm plastic round type b- hole: 35mm plastic round type b- hole: 50mm plastic round type c- hole: 50mm plastic round type c- hole: 53mm plastic round type c- hole: 60mm plastic round type c- hole: 80mm plastic round type d-hole: 50mm plastic type d-hole: 60mm zinc alloy round-hole: 35mm zinc alloy round-hole: 50mm zinc alloy round-hole: 53mm zinc alloy round-hole: 60mm zinc alloy round-hole: 80mm aluminum alloy square-hole: 70x70mm aluminum alloy square-hole: 70x110mm aluminum alloy square-hole: 70x150mm aluminum alloy square-hole: 70x190mm aluminum alloy square-hole: 70x270mm aluminum alloy square-hole: 70x390mm aluminum alloy square-hole: 70x490mm aluminum alloy square-hole: 70x590mm aluminum alloy square-hole: 90x90mm aluminum alloy square-hole: 90x190mm aluminum alloy square-hole: 90x290mm aluminum alloy square-hole: 90x390mm aluminum alloy square-hole: 110x110mm aluminum alloy square-hole: 110x240mm aluminum alloy square-hole: 110x290mm aluminum alloy square-hole: 110x390mm aluminum alloy square-hole: 110x590mm aluminum alloy square-hole: 135x150mm aluminum alloy square-hole: 135x190mm aluminum alloy square-hole: 135x290mm aluminum alloy square-hole: 135x390mm aluminum alloy square-hole: 135x490mm aluminum alloy square-hole: 135x590mm

silver white black brown gray light brushed color antique blue red antique