Do these have the notch to lock onto quick release ratchets?

Yes they do, they work good on the couple quick release ratchets I own.

What is the difference between 81200D and 81200?

the set 81200D is the standard 3/8 drive extension bars there is a set 81201 which is the 3/8 wobble extension bars. there is no set 81200 on the gearwrench website

what are the lengths? thanks!

If you scroll don the page on Amazon, you will see the sizes listed: "The KD Tools 4-Piece 3/8-Inch Drive Extension Set includes 1-1/2-inch, 3-inch, 6-inch, and 12-inch extensions."

Will it take 98 foot pounds. Just broke an old one.

I personally would use a half-inch drive 3/8 is a little small for hundred foot pounds

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GEARWRENCH 4 Pc. 3/8" Drive Extension Set, 1-1/2", 3", 6" & 12" - 81200D

Product ID: 285459598

Details

Brand
GEARWRENCH
Finish type
Polished
Item length
12 Inches
Material
Alloy Steel
Number of pieces
4

✋knurled nonslip grip

✨polished chrome finish

🛠️4-piece extension set

S$78

Duties & taxes included

In stock

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Description

🔧 Extend Your Reach, Elevate Your Craft!

SECURE GRIP ZERO SLIPS - Knurled surface ensures maximum control even in greasy or oily conditions.
OPTIMIZED FOR 3 8 DRIVE BITS - Perfect compatibility with a wide range of automotive and mechanical sockets.
SLEEK DURABLE CHROME FINISH - Bright, full polish chrome resists corrosion and looks professional on your tool bench.
PRECISION LENGTHS FOR EVERY JOB - Includes 1.5", 3", 6" & 12" extensions to reach tight spots effortlessly.
TRUSTED BY PROS LOVED BY DI YERS - Highly rated with 4.8 stars from over 1,500 users—join the elite who demand quality.

The GEARWRENCH 4 Pc. 3/8" Drive Extension Set (model 81200D) features four precision lengths (1.5", 3", 6", 12") crafted from durable alloy steel with a polished chrome finish. Designed for 3/8" drive bits, it offers a knurled nonslip grip for superior handling, making it an essential tool for automotive and mechanical professionals. Highly rated with 4.8 stars from 1,502 reviews, this set combines reliability and style for your toolbox.

Specifications

ASIN	B000NI93A2
ASIN	B000NI93A2
Best Sellers Rank	#91,143 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #411 in Socket Wrenches
Bit Compatibilities	3/8 inch drive bits
Bit Set Composition	Bit Set
Brand Name	GEARWRENCH
Customer Reviews	4.8 4.8 out of 5 stars (1,502)
Customer reviews	4.8 4.8 out of 5 stars (1,502)
Date First Available	1 January 2024
Department	Tools
Drive Bit Application	automotive
Drive Bit Shank Style	Tang
Drive System	External Hex
Finish Types	Polished
Global Trade Identification Number	00099575812002
Included Components	1-1/2", 3", 6" & 12" Extensions
Is Discontinued By Manufacturer	No
Item Length	12 Inches
Item Type Name	Gearwrench 81200D 4 Piece 3/8-Inch Drive Extension Set
Item Weight	590 g
Item model number	81200D
Manufacturer	GearWrench
Manufacturer	GearWrench
Manufacturer Part Number	81200D
Material Type	Alloy Steel
Model Number	81200D
Number of Items	4
Number of Pieces	4
Product Dimensions	44.32 x 12.45 x 2.54 cm; 589.67 g
Set Name	Gearwrench 81200D 4 Piece 3/8-Inch Drive Extension Set
UPC	787721773214 077349429113 971477621664 100069440028 785533915563 995758120028 021112613698 099575812002
Unit Count	1 Count

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