Different types of locks or brakes

total reverse locking device with plastic lever.
Used in castor lines: LA; LDA

total reverse locking device with metal lever.
Used in castor lines: LAS

otal reverse locking device with metal lever.
Used in castor lines: L

total forward locking device with metal lever.
Used in castor lines:LM; LKM; LP; LS

wheel locking device with plastic lever.
Used in castor lines: LO

direction lockwith plastic lever.
Used in castor lines: L