Features and Benefits:•Torx-Plus socket services elliptical shaped fasteners found on many vehicle•Standard Torx® or Ribe designs will not fit these fasteners. Black finish and impact quality•Size: EP28 •Drive: 1/2"Comprehensive kit includes required components to perform complete timing service. Services Porsche 996 (1997-2006). Includes: 3886 - Porsche Cam Adjusting Blocks, 3888 - 2 Pc. Porsche Auxiliary Chain Tensioner Set, 3889 - Porsche Intake Camshaft Socket Holder, 3890 - Porsche Exhaust Camshaft Sprocket Holder & 3891 - Porsche Cam Adj. Holding Bracket. For product details, visit individual web page on ctatools.com.