SKU: 57111909613

Ko-ken Tools 1/2 Sq. Dr. Socket 21mm Surface Drive Length 80mm

Sale price$26.78 Regular price$29.76
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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

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Description

Ko-ken Tools 1/2 Sq. Dr. Socket 21mm Surface Drive Length 80mmSurface drive sockets are designed to retain contact with flat sides of nut to transmit high torque and reduce nut wear. Compared to FLAT DRIVE, SURFACE DRIVE utilizes contact on the larger area closer to the center of the bolt or nut. SURFACE DRIVE is useful for painted face nuts or any bolt or nut made of soft material, with less risk of damaging the faces. SURFACE DRIVE can also be useful for a bolt or nut that has been damaged or deformed. Input

Surface drive sockets are designed to retain contact with flat sides of nut to transmit high torque and reduce nut wear.


Compared to FLAT DRIVE, SURFACE DRIVE utilizes contact on the larger area closer to the center of the bolt or nut.


SURFACE DRIVE is useful for painted face nuts or any bolt or nut made of soft material, with less risk of damaging the faces. SURFACE DRIVE can also be useful for a bolt or nut that has been damaged or deformed.

Input Drive Size: 1/2"
Drive Shape: Square
Length: 80mm
Type: Surface Drive Socket
Output Size: 21mm
Opening: Surface Drive


Product Dimension (Refer Line Drawing Image):

D1 Size: 30.7mm
D2 Size: 30mm
H1 Size: 21mm
H2 Size: 61mm
L Size: 80mm

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 57111909613

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4.5 ★★★★★
Based on 29 reviews
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Verified Purchase
Shawn A Hughes
Waukegan, US
★★★★★ 5
Fits well, good quality.
Good assortment for the price; clips fit well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
H
Verified Purchase
Harold Monroe
Pawtucket, US
★★★★★ 5
Good
Works great.
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Reviewed in the United States on January 11, 2026
S
Verified Purchase
Samuel B Wentzel
San Leandro, US
★★★★★ 5
OEM quality
Size: 5 Quart, Style: 1 Pack
This stuff is supposed to be as good or better than OEM Subaru CVT fluid. It works well so far. And it's definitely a lot cheaper than taking it to a dealership and having a flush and fill done
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Reviewed in the United States on February 20, 2026
S
Verified Purchase
Stephen L. Smith
Massapequa, US
★★★★★ 5
Worth The Cost Using For Subaru's.
Size: 5 Quart, Style: 1 Pack
Worked great in my Subaru Outback and my daughter's Subaru Forester. Both transmissions shifting very smoothly.
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Reviewed in the United States on April 26, 2026
J
Verified Purchase
JACK
Massapequa, US
★★★★★ 5
Exactly what advertised
Size: 5 Quart, Style: 1 Pack
Good product and is the same as Genuine Subaru CVT fluid. This company makes it for Subaru
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026

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