KDT9703 Features: -Surface Drive on open end for better fastener gripping.-4 Piece Flex Head Gear Wrench Completer Set- SAE. Includes: -Adds more storage to include smaller size set Completer set for 9701 Gear Wrench Flex head ratcheting wrench set includes 13/16-Inch, 7/8-Inch, 15/16-Inch, and 1-Inch sizes in a 13 pc rack. 13 piece rack - extra storage for existing 5/16-Inch - 3/4-Inch Gear Wrench Flex Head Ratcheting Wrenches. Adjustable set screw - sets desired head tension. Surface Drive on open end - eliminates fastener rounding. Serrated beam works as directional assistant.. Specifications: -Expands and compliments the 9701 Gear wrench flex head ratcheting wrench set. Warranty: -Sets and Kits do not have warranty/ see individual pcs for details..