standard styles, Thru-Hole Style, Closed End Style, and NAAMS Standard Style. Additionally, custom Urethane products are available in bars, rods, and sheets made to your specifications. Ball Lock Release Tools Used to retract the locking ball in our retainers available in (2) styles, straight threaded and English Curve which is universal for our entire retainer line. Ball Lock Retainer Replacement Components These Components will replace any component in our entire retainer line. Replacement components include Balls, Springs, Dowels, Shim Plates, and Screws. Ball Lock Ejector Punch Replacement Components Stocked in all sizes to replace worn or damaged Ejector assemblies. The replacement kit includes: Ejector Pin, Spring, Set Screw.