Koken KO-1046-YL Wobble-Fix Extension Bar Set 1/4 3/8 1/2 Inch with Foam Tray

The Ko-ken USA Wobble-Fix Extension Bar Set includes 1/4", 3/8", and 1/2" square drive extensions housed in a durable yellow cross-linked closed-cell polyethylene foam tray for organized toolbox storage. This professional-grade set features Ko-ken's innovative dual-function Wobble-Fix design that provides two distinct operating modes to handle any fastening situation.

Key Features:

• Wobble-Fix Technology: Switch between "Fix" mode for zero socket movement and maximum stability, or "Wobble" mode for up to 15-degree angular flexibility when accessing tight or angled spaces
• Knurled Handle: Textured grip surface ensures secure handling and control during use
• Three Drive Sizes: Complete set includes 1/4", 3/8", and 1/2" square drive extensions to cover all common socket sizes
• Foam Tray Organizer: Custom-fit yellow foam insert resists oil, liquids, and debris while keeping extensions securely organized in your toolbox
• Professional Quality: Made by Ko-ken, a trusted Japanese manufacturer known for precision-engineered hand tools

This extension bar set delivers the versatility needed by professional mechanics and serious DIY enthusiasts. The Wobble-Fix feature eliminates the need to carry separate fixed and wobble extensions, while the durable foam tray ensures your tools stay organized and protected. Ideal for automotive, industrial, and general maintenance applications where both precision and flexibility are required.