What is the difference between this one (dewalt dwmt81535 247pc mechanics tool set) and the (dewalt dwmt75049 mechanics tools set (192 piece))?

From what I can see, the -049 set has a few additional accessories (e.g., extensions). The -535 set has screwdriver bits whereas the -049 set does not. That alone could make up the difference in # of pieces included.

Can you use in power tool?

A regular drill could be OK with a 2.0amp battery, that is pretty low torque. Power tool is vague and imbiguous, so I'm going to motion for strike- Do not use in an impact, chrome is hard and they will blow up in your face or shred up your hands, if you have an impact wrench with an anvil then you need impact sockets.

Will these work on an air wrench?

No, these are not impact rated mechanics tools.

Will dewalt's lifetime warranty cover the tool set i get if i buy it on amazon? - I just want to make sure.

Yes, our manufacturing warranty would cover the tools.

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Description

🔧 Own the job with precision and power — the ultimate mechanic’s arsenal awaits!

BUILT TO ENDURE - Durable carrying case with metal latches protects your investment on any jobsite.
INSTANT TOOL ID - Hand-stamped markings let you find the right tool in seconds, no guesswork.
COMFORT THAT LASTS - Ergonomic anti-slip handles keep your grip strong through long workdays.
MASTER TIGHT SPACES - 72-tooth ratchets deliver a tight 5° arc swing for ultimate control in cramped spots.
PRECISION MEETS POWER - DirectTorque Technology prevents fastener rounding for flawless performance.

The DEWALT 205-piece Mechanics Tool Set (DWMT81534) combines SAE and Metric sockets, ratchets, wrenches, hex keys, and specialty bits in a rugged, corrosion-resistant kit. Featuring DirectTorque Technology and 72-tooth ratchets for precision and control, this set is designed for professionals who demand durability, comfort, and quick tool identification—all housed in a tough case with secure metal latches.

Specifications

Brand	DEWALT
Material	Blend
Drive System	Hex
Finish Type	Brushed
Number of Pieces	1
UPC	076174815344
Global Trade Identification Number	00076174815344, 20076174815348
Manufacturer	DEWALT
Part Number	DWMT81534
Item Weight	1 pounds
Product Dimensions	20.2 x 15.5 x 4.6 inches
Item model number	DWMT81534
Is Discontinued By Manufacturer	No
Size	One Size
Color	Multi
Style	205 pc
Finish	Brushed
Pattern	Tool Set
Shape	Rectangular
Voltage	120
Item Package Quantity	1
Head Style	Hex
Measurement System	Metric
Compatible Fastener Range	0.25 inches
Included Components	1/2 in. Drive 6-Point Sockets: (SAE) - 1/2 in., 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in., 7/8 in., 15/16 in., 1 in.(MM) - 12mm, 13mm, 14mm, 15mm, 17mm, 18mm, 19mm, 21mm, 22mm, 1/4 in. Drive 6-Point Deep Sockets: (SAE) - 5/32 in., 3/16 in., 1/4 in., 9/32 in.,5/16 in., 11/32 in., 3/8 in., 7/16 in., 1/2 in.(MM) - 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 1/4 in. Drive 6-Point Sockets: (SAE) - 5/32 in., 3/16 in., 7/32 in., 1/4 in., 9/32 in.,5/16 in., 11/32 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in.(MM) - 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 3/8 in. Drive 6-Point Deep Sockets: (SAE) - 1/4 in.,5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in., 7/8 in.(MM) - 10mm, 11mm, 12mm,13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 3/8 in. Drive 6-Point Sockets: (SAE) - 1/4 in.,5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in., 7/8 in.(MM) - 10mm, 11mm, 12mm,13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, Accessories: 1/4 in. Drive 3 in. & 6 in. Extension Bars 3/8 in. Drive 3 in. & 6 in. Extension Bars, 3/8 in. Drive 5/8 in., 13/16 in. Spark Plug Sockets 3/8 in. Drive Female to 1/4 in. Drive Male Adapter 1/2 in. Drive 5 in. Extension Bar, Combination Wrenches: (SAE) "“ 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in. (MM) - 10mm, 12mm, 13mm, 14mm, 15mm, Nut Bits: (SAE) - 5/32 in., 3/16 in., 7/32 in., 1/4 in., 9/32 in., 5/16 in., 11/32 in., 3/8 in., 7/16 in., 1/2 in.(MM) - 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm 28 Hex Keys 33 Specialty Bits 1 Bit Driver, Ratchets: 1/4 in., 3/8 in., & 1/2 in. Drive Pear Head Ratchets
Batteries Included?	No
Batteries Required?	No
Warranty Description	This product comes with a one-year manufacturer's warranty that covers defects in materials and workmanship. During the warranty period, we will repair or replace the product at no cost to you. This warranty does not cover damages caused by accidents, misuse, or normal wear and tear.