Milwaukee M18 Red Exterior Dual Slope 360° Laser Kit

Milwaukee M18 Red Exterior Dual Slope 360° Laser Kit

The Milwaukee 3704-21T M18™ Red Exterior Dual Slope Rotary Laser Kit is a complete, jobsite-ready layout solution built for serious accuracy, long-range performance, and rugged durability. Delivering 1/16" horizontal accuracy at 100 ft and a massive 4000 ft working diameter with the receiver, this system is designed to handle everything from grading to alignment with confidence. With dual slope capability, remote control operation with duplicated display, and ONE-KEY™ tracking, it takes precision work and makes it faster, smarter, and a whole lot less back-and-forth walking (your boots will thank you).

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 3704-21T
• Brand / Series: Milwaukee M18™
• Product Type: Exterior dual slope rotary laser level kit
• Accuracy: ±1/16″ horizontal @ 100 ft / ±1/8″ vertical @ 100 ft
• Working Range: Up to 4000 ft diameter with receiver
• Slope Capability: Dual slope adjustment (remote controlled)
• Rotation Speeds: 600, 900, 1200 RPM
• Remote Control: Duplicated display for full adjustment control at a distance
• Receiver Features:
  • Automatic grade match
  • Strobe light protection (reduces interference and downtime)
  • Simplified menu navigation
• Durability:
  • Withstands 1.5M drops
  • Survives 2M tripod tip-over
  • Reinforced housing for harsh jobsite conditions
• Ingress Protection: IP66 rated (dust-tight and water resistant)
• Mounting Thread: 5/8″-11 threaded insert
• Bump Sensitivity Modes: Low and High
• Power System: M18™ REDLITHIUM™ compatible (200+ tool system)
• Connectivity: ONE-KEY™ compatible for tracking and management
• Included Grade Rod: 8 ft with ft/in graduations
• Tripod: Durable aluminum construction for stability
• Kit Includes:
  • Rotary Laser (3704)
  • Receiver (3714)
  • Remote Control
  • M18™ REDLITHIUM™ XC Battery
  • M18™ & M12™ Multi-Voltage Charger
  • Tripod (48-35-3700)
  • Grade Rod (8 ft)
  • Receiver Clamp
  • Shoulder Strap
  • (2) AA Batteries
  • Carrying Case
• Warranty:
  • 5-Year tool warranty
  • 3-Year battery warranty
  • 2-Year receiver warranty
  • 3-Year tripod warranty

Ideal For

• Site grading, excavation, and drainage work requiring precise slope control
• Long-distance layout jobs needing maximum visibility and 4000 ft range
• Contractors who want remote adjustments without constant walking back to the laser
• Jobsites where drops, dust, and weather are part of the daily routine
• Crews that value accuracy, efficiency, and fewer “measure twice, fix once” moments