Ko-Ken KO3769NWF160 Wobble-Fix Spin Type Handle, 3/8 in Drive, 160 mm

The Ko-Ken 3769NWF is a Wobble-Fix spin type handle with a 3/8 in square drive. (manufacturer-stated)

Lengths are 160 and 230 mm. (manufacturer-stated)

Each model is listed in the table below with its specifications.

Where this product is used

• Running fasteners on and off quickly with a screwdriver-style turning action
• Reaching fasteners in recessed or confined spots with 3/8 in drive sockets
• Assembly and maintenance work with extension bars and sockets

Features

• 3/8 in square drive (manufacturer-stated)
• Wobble-Fix: works as a flexible extension bar giving 15 degree angle operation, or as a normal extension bar (patented) (manufacturer-stated)

Common specifications

Key specifications

Lengths and weights are manufacturer-stated (Ko-ken catalogue 2025-26).

Selecting the right option

Match the 3/8 in drive to your sockets and extension bars, and choose the length to suit the access. Ko-ken's catalogue safety notes say that loose pipes or other improvised attachments should not be added to handles for extra leverage, and that plastic or rubber handles are not intended to act as insulation. (manufacturer-stated)

Related products

Related Ko-Ken products: Ko-Ken 3112G and 4112G Attack Driver, 3/8 and 1/2 in Drive, Ko-Ken 3768J/N/P Hinge Handle, 3/8 in Drive, Ko-Ken 3112N and 4112N Attack Driver, 3/8 and 1/2 in Drive and Ko-Ken 2774JS-3/8 and 2774PS-3/8 Flexible Ratchet, 3/8 in Drive.