From the Manufacturer
The Stanley 12-105 RB5 Plane provides dual-blade positioning for regular planing or bullnosing into corners. Cutting depth is easy to set and adjust. Compact size perfect for narrow work areas. Contoured to fit in the palm of your hand. Quick, easy blade change; no honing required. Convenient blade storage in the handle. Comes with two disposable replacement blades. Three replacement blades available for bullnose work, regular planning, and work on plastics and laminates.
Dual blade positioning for regular planing and bull nose work into corners. Easy to adjust and set depth of cuts. Compact size for narrow work areas. Contoured to fit the palm of your hand. Quick and easy blade change, no honing required. Convenient blade