Extrema RM-11 Rail-Master Jig

Extrema RM-11 Rail-Master Jig

Contact us for price

Dundee, NY

orCall +1 (607) 678-4374


The Rail-Master is the ultimate jig for coping (tenoning) the ends of door rails for 5 piece door system.

Available in 11″ and 16″ versions

11″ Version

  • Typically used for cabinet-door manufacturing

16″ Version

  • Typically used for millwork and entry door construction

The Rail-Master firmly clamps the rail down while it floats on a cushion of air using the miter slot for square, consistent and repeatable coping operation.

  • Floats on a cushion of air for smooth, easy operation
  • Use with material thickness from 3/4″ to 2″ thick
  • Proven design for years of trouble free use
  • Variable flotation regulation
  • Miter bar slides along Miter slot for coping cuts
  • Removable miter bar for custom free-floating cuts
  • Accepts templates for straight and custom curved and angled cuts
  • Slack adjustment feature on miter bar
  • Single thumb-lever activation
  • Square grid pattern in base to assist in custom cuts
  • Constructed of aircraft-grade aluminum, with anodized finish
  • Accepts blowout board for splinter-free cuts
  • 1 CFM @ 90 PSI
  • 800 ft/lbs holding
  • Thickness Capacity: 3/4″ to 2″
  • Holding Pressure: 800 ft/lbs
  • CFM Requirements: 1 CFM @ 90 PSI


* Thickness Capacity3/4″ to 2″
* Holding Pressure800 ft/lbs
Width Capacity11 1/2"
CFM Requirements1 CFM @ 90 PSI