The open DEWALT yellow compact storage case displaying the 50-piece 1/4-inch drive mechanics tool set, including a low-profile ratchet, extensions, multi-driver, and organized sockets and bits.
Angled view of the open DEWALT mechanics tool set showcasing the precise molded organization for the 72-tooth ratchet and chrome vanadium sockets.
Included components diagram for the DEWALT DWMT45422 kit, listing the 1/4-inch low-profile ratchet, 23 sockets, two extensions, spinner handle, bit adapter, and 22 specialty bits.
The full 50-piece DEWALT mechanics tool set displayed in front of its yellow hard case, featuring high-polish chrome sockets, ratchets, and driver bits for automotive repair.
Top-down view of the closed DEWALT yellow compact carrying case featuring a secure sliding latch and the embossed DEWALT logo.
Close-up of the DEWALT 1/4-inch drive low-profile ratchet head with a graphic highlighting the 20 percent thinner design built for high-performance access in tight spaces.
Detailed view of the quick-release mechanism on the DEWALT 72-tooth ratchet head, demonstrating easy one-handed operation for rapid socket changes.
An array of DEWALT chrome vanadium sockets and extensions with a graphic overlay emphasizing the corrosion resistance provided by the high-grade chrome finish.
The open DEWALT yellow compact storage case displaying the 50-piece 1/4-inch drive mechanics tool set, including a low-profile ratchet, extensions, multi-driver, and organized sockets and bits.
Angled view of the open DEWALT mechanics tool set showcasing the precise molded organization for the 72-tooth ratchet and chrome vanadium sockets.
Included components diagram for the DEWALT DWMT45422 kit, listing the 1/4-inch low-profile ratchet, 23 sockets, two extensions, spinner handle, bit adapter, and 22 specialty bits.
The full 50-piece DEWALT mechanics tool set displayed in front of its yellow hard case, featuring high-polish chrome sockets, ratchets, and driver bits for automotive repair.
Top-down view of the closed DEWALT yellow compact carrying case featuring a secure sliding latch and the embossed DEWALT logo.
Close-up of the DEWALT 1/4-inch drive low-profile ratchet head with a graphic highlighting the 20 percent thinner design built for high-performance access in tight spaces.
Detailed view of the quick-release mechanism on the DEWALT 72-tooth ratchet head, demonstrating easy one-handed operation for rapid socket changes.
An array of DEWALT chrome vanadium sockets and extensions with a graphic overlay emphasizing the corrosion resistance provided by the high-grade chrome finish.
DEWALT

DEWALT Mechanics Tool Set DWMT45422 1/4 Inch Drive 50 Piece (72 Tooth Ratchet 5 Degree Arc SAE Metric DirectTorque Socket Automotive Fastening)

In stock
SKU: DWMT45422
$54.99 USD

Description

Authorized Dealer Badge DEWALT logout

DEWALT DWMT45422 50-Piece 1/4" Drive Mechanics Tool Set

The DEWALT DWMT45422 50-piece 1/4-inch drive mechanics tool set fastens and loosens precision hardware across cramped automotive engine bays, electronics enclosures, and industrial equipment assemblies. Featuring a specialized 72-tooth low-profile teardrop ratchet with a head 20% thinner than standard profiles, this compact socket kit achieves a tight 5-degree arc swing to turn fasteners in obstructed, narrow spaces. Forged from heat-treated chrome vanadium steel with a fully polished chrome finish, each 6-point socket integrates DirectTorque technology to maximize surface contact and prevent fastener rounding, equipping automotive service technicians and mechanical maintenance specialists with dependable torque transfer and ANSI-compliant durability.

Best Used For:

  • Automotive Engine Bay and Interior Repairs: Servicing alternator brackets, intake manifolds, dashboard assemblies, and door panels where clearance is minimal.
  • Industrial Machinery and Appliance Maintenance: Assembling and maintaining factory equipment, HVAC control panels, electrical enclosures, and commercial refrigeration units.
  • Precision Mechanical and Electrical Fastening: Driving micro-fasteners, hex fittings, and Torx fasteners securely without stripping small bolt heads or marring finishes.

Key Performance & Safety Features

  • 20% Thinner Low-Profile Head: Slim ratchet profile allows effortless access into deeply recessed and physically obstructed fastener locations.
  • 72-Tooth High-Maneuverability Gear: Delivers a tight 5-degree arc swing to ratchet fasteners smoothly in extremely tight confines.
  • DirectTorque Contact Geometry: Sockets contact the flat sides of fasteners rather than the corners to prevent fastener head rounding and slippage under high torque.
  • Heat-Treated Chrome Vanadium Steel: Forged alloy steel build ensures high torsional strength, long wear life, and full corrosion resistance.
  • One-Handed Quick-Release Lever: Low-profile directional lever and push-button release allow seamless one-handed socket attachments and exchanges.
  • Hard-Stamping Size Identification: Large, clean stamped size markings on each socket body ensure quick visual identification and resist wear from oils and solvents.

What's Included

  • (1) 1/4" Drive Low-Profile 72-Tooth Teardrop Ratchet
  • (23) 1/4" Drive 6-Point Sockets (Assorted SAE & Metric Sizes)
  • (1) 1/4" Drive 3-Inch Extension Bar
  • (1) 1/4" Drive 6-Inch Extension Bar
  • (1) 1/4" Drive Spinner Handle
  • (1) 1/4" Drive Bit Adapter
  • (22) Specialty Driver Bits (Hex, Torx, Slotted, Phillips)
  • (1) Heavy-Duty Compact Blow-Molded Organizing Storage Case

Technical Specifications

Manufacturer DEWALT Industrial Tool Co.
Model Part Number DWMT45422
Total Piece Count 50 Pieces
Drive Tang Size 0.25 inches (1/4 in. Square Drive)
Ratchet Gear Tooth Count 72-Tooth Mechanism (5-Degree Arc Swing)
Socket Point Configuration 6-Point Standard DirectTorque Sockets
Measurement Unit Formats Dual SAE (Fractional Inch) & Metric
Tool Construction Material Forged Chrome Vanadium Steel (Cr-V)
Surface Finish Protection Full Polish Chrome Corrosion-Resistant Plating
Quality Standard Compliance Meets or Exceeds ANSI & ASME Specifications
Storage Case Dimensions 14.40 in Length x 9.90 in Width x 1.90 in Height
Total Kit Shipping Weight 3.39 lbs (54.24 oz / 1.54 kg)
Universal Product Code (UPC) 076174454222
Suitable for material type Carbon Steel Bolts, Stainless Fasteners, Brass Fittings, & Alloy Screws

Pro-Tip: When tightening sensitive bolts into aluminum engine components or brass valve bodies, use the included 1/4-inch drive spinner handle for smooth finger-tip run-down before finishing with the 72-tooth ratchet; this eliminates cross-threading risks on fine-pitch threads.