Lunati Tool Steel Retainers offer all the strength properties of traditional chrome moly steel retainers but are specially tooled to reduce weight. Weighing approximately one-third less than chrome moly steel retainers and only marginally more than titanium, tool steel retainers from Lunati have exceptional strength and wear characteristics. If you?re looking for an economical substitute for the titanium retainers, tool steel is the best option for your weekend racing applications.