The Standard Jaws (included with the Honing Guide) fit most of Lie-Nielsen blades, as well as their 1/4" to 3/4" Bevel Edge Chisels.
The Chisel Jaws fit their 1/8" and 3/16" Bevel Edge Chisels (as well as their 1/4" to 3/4" Bevel Edge Chisels).
The Mortise Chisel Jaws fit all Lie-Nielsen Mortise Chisels, as well as their 1" Bevel Edge Chisel.
The Long Jaws fit blades for the following Lie-Nielsen planes: No. 610, 10-1/4, 041, 042, 073, 1/2, and 85. These jaws are reversible. The short end hones a bevel up to 40° and the long end hones a bevel up to 30°.
The 18° Skewed Jaws fit their No. 140 Skew Block Plane (left or right hand).
The 30° Skewed Jaws fit their No. 98/99 Side Rabbet Planes (left or right hand).