... Dia.: 28MMColor: white, black, nature and so on Locking system: up lockSpring: STN STL 304Packaging & Delivery:Packaging Detail: ... 38.5cmDelivery Detail: 15-25 days after depositSpecifications:1, Locked system: Down Lock (screw lock)2, Basic size: Φ24 ... spring design and external spring lotion pump are environmental protection.6, Patents, technique team, mould design and quality checking system are ...