The EZ-Riser™ Set-In-Stake® Custom Riser System allows you to create endless mounting options for any of the CAST lighting fixtures. The CCPSTEM** Copper Extensions are preset at 2", 4", 6", 8", 10", 12", 14", 16", 18", 24", 36", and 42" long, but can be cut in the field to accomodate any size you would like.