Tekton SIA99201 Impact Extension and Accessory Set, 17-Piece (1/4, 3/8, 1/2 in. Drive)
4.3 (4)
$121.00$57.35
The Tekton SIA99201 17-piece impact extension and accessory set expands any socket system across three drive sizes, on sale for $57.35 (reg. $121.00) with online coupon savings.
In Stock
Size
Size
1/2 Inch
1/4 Inch
1/4, 3/8, 1/2 Inch
3/8 Inch
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1
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Tekton SIA99201 Impact Accessory Set – $57.35, Save $63.65
The Tekton SIA99201 17-piece impact extension and accessory set is the best-value upgrade for buyers with 1/4, 3/8, and 1/2 inch drive impact tools who need reach, angle access, and drive-size flexibility. Buy online now for $57.35, marked down from a $121.00 compare-at price, and apply coupon code SAVE15 for an additional 15% off.
What's Included
Extensions (9)
1/4 in. drive: 3, 6, 9 in.
3/8 in. drive: 3, 6, 10 in.
1/2 in. drive: 3, 6, 10 in.
Universal Joints (3)
Pinless universal joints in 1/4, 3/8, and 1/2 in. drive reach around obstructions and access fasteners at an angle.
Adapters and Reducers (4)
1/4 in. (F) x 3/8 in. (M) adapter
3/8 in. (F) x 1/4 in. (M) reducer
3/8 in. (F) x 1/2 in. (M) adapter
1/2 in. (F) x 3/8 in. (M) reducer
Note: a 1/2 in. (F) x 3/4 in. (M) impact adapter is also included per the set list, plus 9 ratchet/extension holders, 3 socket rails, and a 3-rail tray for organization.
Specifications
Brand: Tekton
Model: SIA99201
Product Type: Impact extension and accessory set, 17-pc (with organizers)
Drives: 1/4, 3/8, 1/2 in.
Coating: Corrosion-resistant manganese phosphate
Price and Deal Value
Save $63.65 (about 53% off) before coupons. Code SAVE15 adds 15% more, and your $57.35 order clears the $45.00 free-shipping threshold automatically.
Features
17 impact-rated pieces across 1/4, 3/8, and 1/2 in. drive – extensions, u-joints, adapters – for $57.35 vs. $121.00 list
Corrosion-resistant manganese phosphate coating built for impact tools at more than half off retail
Includes socket rails, holders, and tray for organized storage – complete value with SAVE15 coupon savings
Model: SIA99201
Coating: Manganese phosphate, corrosion resistant
Category: Drive Accessories and Extensions
Extensions: 3-10 in. lengths across all three drives
Drive Sizes: 1/4, 3/8, 1/2 in.
Piece Count: 17 accessories plus 9 holders, 3 rails, tray
Product Type: Impact Extension and Accessory Set
Universal Joints: Pinless, 1/4/3/8/1/2 in.
Seller: Driven Fastener Works
MPN: SIA99201
Product Details
Tekton SIA99201 Buying Guide
This is the final purchase page for the Tekton SIA99201 17-piece impact extension and accessory set: every reach, angle, and drive-conversion need in one $57.35 discounted bundle.
Selection Criteria
Multi-drive coverage (1/4 to 1/2 in.) vs. single-drive kits
Impact-rated coating vs. chrome hand accessories
Included organizers vs. loose accessories
Use Cases
Reach recessed frame bolts with extensions, angle around exhaust components with pinless u-joints, and keep working when a socket size is missing by adapting drives.
Deal Summary
Sale: $57.35 (reg. $121.00 – save $63.65)
Coupon: SAVE15, 15% off
Free shipping over $45.00 – this order qualifies
Frequently Asked Questions
Where can I buy the Tekton SIA99201 impact accessory set?
Purchase it online right here at Driven Fastener Works for the discounted price of $57.35.
What is the current price and how much do I save?
The sale price is $57.35 versus a $121.00 compare-at price – a $63.65 savings (about 53% off). SAVE15 takes another 15% off.
What's included in the SIA99201 set?
Nine extensions (3, 6, 9/10 in. across 1/4, 3/8, 1/2 in. drives), three pinless universal joints, four adapters/reducers, plus a 1/2F x 3/4M adapter, holders, socket rails, and a tray.
Is this set compatible with impact wrenches?
Yes – it is an impact accessory set with a corrosion-resistant manganese phosphate coating designed to complement impact socket systems in 1/4, 3/8, and 1/2 in. drive.
How does this compare to buying extensions separately?
Buying nine impact extensions alone often approaches the full $121.00 list; at $57.35 with joints, adapters, and organizers included, this is the affordable value comparison winner.
4.3★★★★★★★★★★(4)
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Customer Reviews
4
★★★★★★★★★★5.0
g***w
Verified
Covers all three drive sizes
This set rounded out my impact tool collection perfectly. Extensions in 1/4, 3/8, and 1/2 inch drive plus the universal joints and adapters mean I never have to stop mid-job to hunt for the right piece. They've survived months of impact gun abuse with no signs of twisting or cracking. At this sale price it's cheaper than buying pieces individually.
★★★★★★★★★★5.0
n*n
Verified
Tough extensions
No flex, no twisting, decent case. Everything an impact accessory set should be.
★★★★★★★★★★4.0
n****l
Verified
Very useful, case is meh
The accessories themselves are excellent — the black phosphate finish shrugs off oil and the extensions run true without any wobble even on my electric impact driver. My only complaint is the molded case: some pieces fit loosely and rattle out when I toss the case in the truck. Minor issue for a genuinely handy set.
★★★★★★★★★★3.0
j*c
Verified
Good pieces, but double-check the list
Quality of the extensions and u-joints is solid for the money. I was a little surprised at how much of the 17-piece count comes from adapters and small accessories rather than extensions. If you mostly want long extensions in 1/2 inch drive, count what's actually included before you buy.