Now you can protect your custom made mirrors, glass and picture frames with strong backer board material. This double stepped rabbet cutter cuts one rabbet for your glass, mirror or picture and follows up with another rabbet for a piece of backer board. This backer board can be screwed in to protect and cover your mirror, glass or picture. Cuts a 1/8" deep by 3/8" wide slot for your material. This bit cuts a 3/8" wide slot for your backer material with a maximum thickness of 3/8".

• 1/8" deep by 3/8" wide slot for your material
• Protects your custom made mirrors, glass or pictures

1/8" deep by 3/8" wide slot for your materialSommerfeld's Tools for Wood