Profile view of the STANLEY 21-399 Surform pocket plane showing its contoured die-cast alloy body with a metallic grey finish and the black manual thumbscrew tension dial on the rear heel.
Angled view of a silver STANLEY Surform pocket plane highlighting the hollow top open-chamber grip design and the perorated scraping teeth along the bottom sole.
Underside perspective of the STANLEY 21-399 Surform block plane displaying the grid pattern of the pre-installed 21-398 perforated rasp blade and the debossed manufacturer branding layout on the nose.
Macro close-up view of the front nose section of a STANLEY Surform pocket plane resting on wood grain highlighting the hard-stamped model badge reading STANLEY SURFORM 21-399.
Top-down close-up shot focused on the inner chamber grid pattern of the perforated steel cutting rasp teeth inside the metallic grey die-cast housing of a hand pocket plane.
Close-up perspective of the rear heel portion of the metallic grey STANLEY pocket plane resting on wood showing the black composite thumbscrew blade tensioning mechanism.
A contractor reviewing structural blueprints on a plywood sheet at a wood framing construction jobsite beneath a yellow STANLEY marketing banner reading Tools Made For Building Reputations.
STANLEY commercial brand marketing graphic with bold black text reading Tools Made For Building Reputations set against a solid yellow background canvas.
STANLEY industrial history marketing banner featuring black type reading Quality Tools Since 1843 set centered on a high visibility solid yellow background panel.
STANLEY manufacturer warranty badge featuring high contrast yellow text reading Lifetime Limited Warranty set centered against a clean solid black square background.
Profile view of the STANLEY 21-399 Surform pocket plane showing its contoured die-cast alloy body with a metallic grey finish and the black manual thumbscrew tension dial on the rear heel.
Angled view of a silver STANLEY Surform pocket plane highlighting the hollow top open-chamber grip design and the perorated scraping teeth along the bottom sole.
Underside perspective of the STANLEY 21-399 Surform block plane displaying the grid pattern of the pre-installed 21-398 perforated rasp blade and the debossed manufacturer branding layout on the nose.
Macro close-up view of the front nose section of a STANLEY Surform pocket plane resting on wood grain highlighting the hard-stamped model badge reading STANLEY SURFORM 21-399.
Top-down close-up shot focused on the inner chamber grid pattern of the perforated steel cutting rasp teeth inside the metallic grey die-cast housing of a hand pocket plane.
Close-up perspective of the rear heel portion of the metallic grey STANLEY pocket plane resting on wood showing the black composite thumbscrew blade tensioning mechanism.
A contractor reviewing structural blueprints on a plywood sheet at a wood framing construction jobsite beneath a yellow STANLEY marketing banner reading Tools Made For Building Reputations.
STANLEY commercial brand marketing graphic with bold black text reading Tools Made For Building Reputations set against a solid yellow background canvas.
STANLEY industrial history marketing banner featuring black type reading Quality Tools Since 1843 set centered on a high visibility solid yellow background panel.
STANLEY manufacturer warranty badge featuring high contrast yellow text reading Lifetime Limited Warranty set centered against a clean solid black square background.
Stanley

STANLEY Surform Pocket Hand Planer 21-399 1-5/8 Inch Width Cutting Capacity Cast Iron Gray Sheetrock Laminate Edge Smoothing One Handed Craft Tool

In stock
SKU: 12-399
$8.99 USD

Description

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Low-Profile Miniature Leveling Matrix for Intricate Sheetrock and Edge Surfacing

The STANLEY 21-399 Surform Pocket Plane delivers a highly compact manual material-shaping solution engineered to serve as a primary edge-shaving tool for one-handed dry-walling and wood profiling tasks. Featuring a 1.63 inch wide rasped blade profile and a die-cast iron base structure, this lightweight hand tool smoothly reduces drywall gypsum, laminates, and end-grain wood fibers to resolve protruding edge anomalies in confined spaces. The integration of a manual thumbscrew tensioning dial facilitates rapid blade changes without auxiliary hardware, while the contoured micro-body structure conforms securely to the palm of your hand for steady, directionally precise cutting control.

Best Used For:

  • Drywall and Sheetrock Shaping: Shaving down rough or proud cut gypsum board edges cleanly prior to tape and joint mudding applications.
  • Laminate Surface Beveling: Smoothing down sharp edge lips and plastic laminate surfaces on cabinetry countertops to ensure flush seams.
  • Timber End-Grain Work: Leveling out cross-grain wood fibers and soft timber block profiles during meticulous craft modeling work.

Key Performance & Safety Features

  • Die-Cast Iron Bottom: Manufactured with a robust cast iron sole framework bottom with a gray metallic finish to guarantee continuous tracking rigidity.
  • Thumbscrew Blade Tension: Integrated manual turning thumbscrew allows swift blade tension release for fast, hardware-free rasp replacements.
  • Ergonomic Palm Contour: The compact, micro-form layout nests naturally in your palm, specifically balanced for optimized one-handed operation.
  • Pre-Installed Surform Blade: Arrives equipped with one standard Stanley 21-398 rasped scraping blade to permit immediate out-of-box job deployment.

What's Included

  • 1 STANLEY 21-399 Surform Pocket Plane Frame
  • 1 STANLEY 21-398 Surform Rasp Cutting Blade

Technical Specifications

Brand Name STANLEY
MFG Part Number (OEM) 21-399
UPC Barcode 076174213997
Hand Tool Type Pocket / Smoothing Plane
Blade Cutter Width 1.63 Inches
Maximum Width Cutting Capacity 1-5/8 Inches
Blade Face Thickness 0.027 Inches
Base Sole Material Cast Iron / Die-Cast Alloy
Handle Structural Material Aluminum
Surface Plating Color Metallic Gray Finish
Blade Model Interoperability STANLEY 21-398
Total Piece Count 1 Piece
Assembled Net Weight 0.41 lbs
Pro-Tip: When filing drywall edge lines, skew the pocket plane at a 45 degree angle relative to your path of travel. This orientation utilizes the multi-tooth rasp grid optimally, preventing paper liner snagging and clearing away core debris without choking the blade bed slots.