• Ko-ken 3/8 Sq. Dr. Extension Universal Socket — 12mm, 6-Point, 200mm Length Front View
  • Ko-ken 3/8 Sq. Dr. Extension Universal Socket — 12mm, 6-Point, 200mm Length mechanical view
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Ko-ken 3/8 Sq. Dr. Extension Universal Socket — 12mm, 6-Point, 200mm Length

$106
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SKU: 13146M.200-12

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    Ko-ken 3/8 Sq. Dr. Extension Universal Socket — 12mm, 6-Point, 200mm Length Front View

    Ko-ken 3/8 Sq. Dr. Extension Universal Socket — 12mm, 6-Point, 200mm Length
    Reach Deep Fasteners With Built-In Universal Flex

    Reach Deep Fasteners With Built-In Universal Flex

    This Ko-ken extension universal socket combines a 200mm reach with a built-in universal joint so you can get onto 12mm hex fasteners even when you can’t line up perfectly. The 6-point opening helps keep grip on stubborn hardware while the 3/8" square drive fits common ratchets and extensions for shop and field work.

    Specs

    Spec

    Detail

    Input Drive Size

    3/8"

    Drive Shape

    Square

    Length

    200mm

    Type

    Extension Universal Socket

    Output Size

    12mm

    Opening

    6 Point

    Product Dimensions (line drawing)

    D1: 18mm; D2: 19mm; H: 8mm; L: 200mm

    Where This Helps in Real Work

    • Deep-reach bolts/nuts where a normal universal joint + socket combo is too bulky
    • Fasteners you can’t hit straight-on (slight offset access around housings, brackets, lines)
    • Tight swing-room work where you want one piece instead of stacking adapters

    What It Works With

    • 3/8" drive ratchets and breaker bars
    • 3/8" drive extensions
    • 3/8" drive torque wrenches (use controlled, steady torque)

    How to Use (3 Steps)

    1. Seat the 6-point end fully on the 12mm fastener.
    2. Keep the universal angle as small as possible for best strength and feel.
    3. Apply smooth force; re-seat if you feel it start to cam off.

    In the Box

    • 1x 3/8" Drive Extension Universal Socket, 12mm, 6-Point, 200mm (13146M.200-12)

    Safety Notes

    • Use the smallest working angle possible to reduce stress on the joint.
    • If using on stubborn fasteners, make sure the socket is fully seated before applying higher force.
    • California Proposition 65 Warning applies.