Master Lock 6835 ProSeries aluminum body for lockout applications have hardened steel shackle for extra cut resistance. Master Lock uses a 5 spool pin tumbler cylinder for added pick resistance. Standard with powder - coated finish that lasts longer than anodized finishes and remains bright even in corrosive environments. Six bright colors to choose from. Available Keyed Different or Keyed Alike. Find out more about OHSA's Lockout/Tagout standard with LOTO Tutorial.