In focus: Streamlight Wedge SL

Ideal for tight areas where larger flashlights won’t fit or can’t reach.
Nov. 28, 2025
3 min read

Application 

The Streamlight Wedge SL is designed for under-hood inspections, interior electrical work, engine bay diagnostics, brake and suspension checks, and undercarriage reviews. Ideal for tight areas where larger flashlights won’t fit and work lights can’t reach.

Selling points

  • The Wedge SL is engineered for automotive technicians who need a powerful, ultra-thin inspection light that delivers 50 lm on Low, 100 lm on High, and up to 500 lm on THRO mode, making it a versatile tool for any lighting needs in the shop.
  • A sleek, ultra-thin inspection light, the Wedge SL fits easily and securely in your pocket with its stainless-steel, injection-molded pocket clip.
  • A multi-function, tail-mounted tactical switch offers fast, one-handed operation, ideal for tight engine compartments or under-dash work.
  • Its USB-C rechargeability, battery status indicator, and deep-carry clip make it perfect for everyday carry on the job.
  • With the TEN-TAP programmable switch, you can customize your lighting experience by selecting the output modes to suit your needs.

Features and benefits

The Wedge SL is built for auto techs who demand performance and portability:

  • Bright, handsfree illumination: Delivers 100 lm (High), 50 lm (Low), and up to 500 lm (THRO Mode) for focused tasks and wide-area lighting.
  • TEN-TAP programmable switch: Lets users select High (factory default) or Low intensity for constant on. 
  • Rechargeable and efficient: Charges in 4 hours via USB-C with up to 3.5 hours run time on Low. A four-level LED indicator lets you monitor battery life.
  • Ultra-thin profile: Slips effortlessly into your pocket, bag, or toolkit.
  • Multiple finishes: Available in Black, Coyote, and Silver, so techs can easily identify their light on a busy shop floor.
  • Durable: Flat, anti-roll design made of MIL-spec anodized aluminum, IPX4-rated for water resistance, and impact-tested to 1 meter.
  • Ready for any task: Great for diagnostics, inspection, or any tight-space repairs where reliable lighting is key.

Origin

Automotive professionals asked for a rugged, pocket-sized inspection light that didn’t compromise on brightness or functionality. The Wedge SL was built to meet those needs. It is compact enough to clip into a pocket, but powerful enough to illuminate automotive systems with ease.

Manufacturing/engineering specifications

  • Materials: Type II MIL-spec anodized aluminum body with unbreakable acrylic lens
  • Lighting output: 100 lumens (High), 50 lumens (Low), 500 lumens (THRO Mode)
  • Run time: Up to 3.5 hours (Low)
  • Charging: USB-C rechargeable lithium polymer battery (4 hours to full charge)
  • Size: 5.65" L x 0.55" W x 0.28" D without clip/0.41" thick with clip; 
  • Weight: 1.14 oz
  • Durability: IPX4 water-resistant; 1-meter impact-tested

Storage and display

The Wedge SL is shipped in Streamlight-branded packaging with clear product visibility. It has one unit per package. Its compact design makes it ideal for tool truck countertop displays or clip racks near diagnostic gear. A demo light secured to a dashboard display is highly effective.

Demonstration

Suggested retail price

$110

For more information

Contact Streamlight customer service at 800-523-7488 or email [email protected]

 

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