SK Hand Tools 4516 3pc 3/8" Dr. Locking Chrome Extension Set Drive Extension Set Type Diamond Knurled, Locking Size 3/8 Inch Finish Chrome Plated Number of Pieces 3 Set Contents (1) 7-1/2 Inch, (1) 13-1/2 Inch, (1) 19-1/2 Inch Length Drive Extension Packaging Type Tray SK Hand Tools - 4516 - Features Locking extensions eliminates the problem of sockets remaining stuck to a fastener or sockets being dropped when the tool is removed from a tight compartment giving you the optimal tool control you need SK's high polish SuperKrome finish protects tools from harsh working environments while providing long life and maximum corrosion resistance Diamond knurled grip provides sure handling, even when oily Made in USA UNSPSC: 27112832 Part Number: 4516 SK Hand Tools - 4516 - Additional Information Number of Pieces 3 Set Contents (1) 7-1/2 Inch, (1) 13-1/2 Inch, (1) 19-1/2 Inch Length Drive Extension Packaging Type Tray SK Hand Tools - 4516 - Specifications Order Part Number SK4516 Item Desc "EXT CHRM 3/8"" DR LOCKNG 3 PC SET" MANUFACTURER LONG NAME Ideal Industries, Inc. (SK Professional Tools) MANUFACTURER PART NUMBER 4516 Product Group Id SK01 Country of Origin US Harmonization Code 846792 Bin Code FA107