Modular Design: Connectable Case Allows Multiple Sets To Be Stacked And Locked Together.\nconnects To The Small, Medium, And Large Tough Cases, And Fits Inside The Tstak Caddy.
Tstak Compatible: To Hold All Your Accessory Sets In One Place. \n(Connects Via The Tstak Caddy And The Large Tough Case)
Full Fit Head: Eliminates wobble and screw head rounding.
Drive Guide: With an extending sleeve for improved fastener stability and control.