... /90mm/10mm Open type:Sing zinc alloy double open oval cylinder lock1.Product : Double Cylinder2.Dimension (mm): 54mm ,57mm,60mm ... ,62mm,63mm,68mm,70mm,80mm,90mm,100mm3.Key slot : Computer key4.Lock core: ... white box8.OEM request from customers are availableHigh quality guarantee Lock cylinder; Brass, zinc alloy, aluminium material are optional; ...