Solid brass cylinder. The tail piece adapts for horizontal or vertical applications. Rekeyable cylinder. Fits door 1-1/4" to 2-1/4" thick. Functions as a replacement cylinder for most manufacturers' night latches, jimmyproof locks, rim deadlocks and garage door locks. Uses E-Z key blank model No. KW1. Key included. Prop 65 Warning: This product contains one or more chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. http:www.oehha.orgprop65.html -