● Woodworking · Review

Stanley No. 4 Sweetheart Premium Bench Plane with A2 Steel

Extra-thick A2 steel iron holds an edge significantly longer than standard-thickness irons

✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read

As an Amazon Associate I earn from qualifying purchases. Picks are based on manufacturer specs, independent reviews and owner reports.

Stanley No. 4 Sweetheart Premium Bench Plane with A2 Steel

Stanley No. 4 Sweetheart Premium Bench Plane with A2 Steel

Stanley

Extra-thick A2 steel iron holds an edge significantly longer than standard-thickness irons

  • No. 4 size
  • Extra-thick A2 steel iron
  • One-piece cast base and frog
  • Norris-type adjuster with lateral lock

Pros

  • Extra-thick A2 steel iron holds an edge significantly longer than standard-thickness irons
  • One-piece base and frog casting reduces chatter compared to separate-frog designs
  • Norris-type adjuster combines depth and lateral adjustment in one control
  • A step up from the standard Sweetheart line for woodworkers who plan to plane difficult domestic hardwoods regularly

Cons

  • Higher price than the standard-iron Sweetheart No.
  • A2 steel is harder to sharpen freehand than O1 for beginners without a honing guide
Prices and availability change, so confirm on Amazon.View on Amazon

Appears in

Where the Stanley No. 4 Sweetheart Premium Bench Plane with A2 Steel ranks