The Family Lock Set allows the user to interlock dreadlocks of varying lengths. The Family Lock Set includes the Daddy Lock, for dreadlocks at least 4.5" long; the Mama Lock, for dreadlocks at least 4" long and the Baby Lock for dreadlocks at least 3.5" long. Constructed of stainless steel, the Family Locks are very durable and resistant to chemicals typically used for hair care.