self-closing door artifact household slide door windproof tension spring spring door closer screen door spring tension tension spring custom

self-closing door [ingenious quality + endless elasticity] free accessories(自动关门【匠心品质＋弹劲无穷】送配件)

general version [light door] total length 36cm(普通版【轻型门】总长36cm) standard version [home door] total length 38cm (two)(标配版【家用门】总长38cm（两只）) deluxe edition [home door] total length 44cm (two)(豪华版【家用门】总长44cm（两只）) vip version [heavy door] total length 45cm (two)(尊享版【重型门】总长45cm（两只）) ultimate edition [heavy door] total length 50cm (two)(旗舰版【重型门】总长50cm（两只）) [home door] 44cm long (two) free screwdriver(【家用门】长44cm（两只）送螺丝刀) [heavy door] 50cm long (two) with screwdriver(【重型门】长50cm（两只）送螺丝刀) [1 pack of heavy door] total length 50cm(【重型门1只装】总长50cm) [light door] 36cm1 long(【轻型门】长36cm1只装)