Klein Tools BLS18 18-piece color-coded hex key set featuring industrial strength steel SAE and metric L-style keys in orange interlocking storage caddies.
Close-up of a single 3/8-inch SAE ball end allen wrench from the Klein Tools BLS18 set featuring a blue color-coded comfort sleeve and black phosphate finish.
Close-up of a single 10 mm metric ball end hex key from the Klein Tools BLS18 set featuring a light blue color-coded sleeve and rust-resistant black phosphate coating.
A professional technician in work gloves holding the interlocking SAE and metric storage caddies from the Klein Tools 18-piece hex key set for easy portability.
Metric hex key set in a high-visibility orange caddy being held by a user, showcasing the various color-coded sleeves for rapid size identification on the job.
Technician removing a 10 mm metric ball end allen wrench from the orange storage caddy, demonstrating the quick-access design of the color-coded hex key set.
Action shot of a professional using a yellow-coded hex key to tighten a fastener in a tight electrical panel, highlighting the extra-long reach and 25-degree ball end access.
Technician demonstrating the interlocking feature of the Klein Tools SAE and metric hex key caddies, which allows for organized and sleek tool storage.
Professional electrician using a color-coded ball end hex key from the BLS18 set to perform maintenance on industrial electrical equipment, showcasing the tool's extended reach.
Detail shot of the metric portion of the Klein Tools BLS18 set held in front of an electrical panel, emphasizing the industrial-strength steel construction and color-coded organization.
Klein Tools Manufacturing promotional video
Klein Tools BLS18 18-piece color-coded hex key set featuring industrial strength steel SAE and metric L-style keys in orange interlocking storage caddies.
Close-up of a single 3/8-inch SAE ball end allen wrench from the Klein Tools BLS18 set featuring a blue color-coded comfort sleeve and black phosphate finish.
Close-up of a single 10 mm metric ball end hex key from the Klein Tools BLS18 set featuring a light blue color-coded sleeve and rust-resistant black phosphate coating.
A professional technician in work gloves holding the interlocking SAE and metric storage caddies from the Klein Tools 18-piece hex key set for easy portability.
Metric hex key set in a high-visibility orange caddy being held by a user, showcasing the various color-coded sleeves for rapid size identification on the job.
Technician removing a 10 mm metric ball end allen wrench from the orange storage caddy, demonstrating the quick-access design of the color-coded hex key set.
Action shot of a professional using a yellow-coded hex key to tighten a fastener in a tight electrical panel, highlighting the extra-long reach and 25-degree ball end access.
Technician demonstrating the interlocking feature of the Klein Tools SAE and metric hex key caddies, which allows for organized and sleek tool storage.
Professional electrician using a color-coded ball end hex key from the BLS18 set to perform maintenance on industrial electrical equipment, showcasing the tool's extended reach.
Detail shot of the metric portion of the Klein Tools BLS18 set held in front of an electrical panel, emphasizing the industrial-strength steel construction and color-coded organization.
Klein Tools Manufacturing promotional video
KLEIN TOOLS

Klein Tools BLS18 18-Piece Color Coded Hex Key Set SAE Metric Sizes Extra Long Ball End Allen Wrenches with Industrial Strength Steel Storage Caddy

In stock
SKU: BLS18
$39.98 USD

Description

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Professional Precision and Comfort: The Ultimate Color-Coded Hex Key Solution

The Klein Tools BLS18 18-Piece Color-Coded Hex Key Set is the premier choice for professionals who demand efficiency and durability. This comprehensive kit consolidates the most popular SAE and Metric sizes into one organized, interlocking system, eliminating the need to hunt through a cluttered toolbox. Each key is encased in a color-coded plastic sleeve, allowing for instantaneous size identification. Whether you are performing intricate mechanical repairs or heavy-duty industrial maintenance, these keys are designed to streamline your workflow and reduce downtime on the job site.

Engineered for superior performance in tight spaces, these extra-long ball-end keys offer 30-percent more reach and leverage than standard sets, allowing for operation at angles up to 25 degrees. Every key in this 18-piece set is forged from heat-treated and tempered steel for exceptional strength and finished with a rust-resistant black phosphate coating. The round shanks paired with ergonomic plastic sleeves ensure enhanced comfort during prolonged use, preventing hand fatigue during repetitive fastening tasks. Perfect for tightening hex bolts or loosening recessed screws, this set provides the industrial-strength reliability that Klein Tools is known for.

Key Features

  • 18 Essential Sizes: Includes a full range of fractional and metric keys to handle any project.
  • Color-Coded Identification: Rapidly identify the correct size with high-visibility color-coded sleeves.
  • Extended Reach Design: Extra-long arms provide 30-percent more leverage and access to deep-seated fasteners.
  • Ball-End Versatility: Specialized ball ends allow for smooth operation at angles up to 25 degrees.
  • Industrial Durability: Heat-treated and tempered steel construction with a rust-resistant black phosphate finish.
  • Enhanced Ergonomics: Round shanks with plastic sleeves provide a comfortable grip for all-day use.
  • Interlocking Storage: Sleek cases stack together to keep your SAE and metric sets organized and portable.

What's Included

  • (9) SAE Fractional Inch-Sized Keys
  • (9) Metric-Sized Keys
  • (2) Interlocking Storage Caddies

Specifications

Tool Type L-Style Hex Keys
Application Tightening/Loosening Hex Bolts and Screws
Measurement Standard SAE (Fractional) and Metric
Material Heat-Treated Steel
Finish Black Phosphate (Rust Resistant)
Overall Length 9.28"
Overall Width 3.85"
Key Length Range 4.5" to 8.78"
Number of Pieces 18
End Style Ball-End
Weight 3.4 lbs
UPC 092644330612

Pro-Tip: Use the ball-end of the hex key to quickly spin the fastener in or out at an angle, then flip the key to the short, straight arm for final tightening. The short arm provides the maximum torque needed to seat the bolt securely without damaging the ball-end mechanism.