Westcott

Westcott OB-10/15828 LetterCraft Oil Board Stencil Kit

4.3 (38 reviews)

Complete A–Z, 0–9 letter coverage on oil-resistant board stencils sized for project signage, box marking, and school labeling that holds up through repeated use.

$18.49*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Westcott LetterCraft OB-10 Stencil Kit is a straightforward, purpose-built tool for anyone who needs clean, consistent hand lettering without drafting skills or specialized equipment. What sets it apart from generic craft stencil sets is its completeness: A through Z, 0 through 9, and punctuation symbols, all at a 10-inch character height that strikes a practical balance between readability at distance and compatibility with standard project surfaces. The oil board material is the key construction detail — it provides enough paint resistance to be wiped clean and reused, making this a working tool rather than a single-use consumable.

In practice, the kit fits a specific set of use cases well: warehouse and shipping box labeling, school project displays, stenciled yard signage, and studio or shop organization. The individual character format keeps layouts flexible — you position only what you need. Application is straightforward with most paint types, though spray paint at medium distance produces the cleanest edges on the oil board surface. Storage is the one workflow friction point: 40-plus loose stencil boards without an included organizer require the user to supply their own storage solution. For the right application — repeatable, readable lettering at the 10-inch scale — the kit does exactly what it promises.

Key Features

Reusable oil board stencils

Great for outdoor use

Perfect for school or work

Contains A-Z, 0-9 & various punctuation symbols

Specifications

Brand
Westcott
Model
OB-10 / 15828
Character Height
10 inches
Material
Oil board
Characters Included
A–Z, 0–9, various punctuation symbols
Stencil Format
Individual character pieces

Pros & Cons

👍 Pros

  • Complete character set — A–Z, 0–9, and punctuation — means no missing symbols mid-project
  • Oil board construction resists paint saturation better than paper stencils, enabling reuse across multiple sessions
  • 10-inch character size is a practical fit for shipping, warehouse labeling, and project signage without needing specialist materials
  • Individual character stencils allow flexible layout without overlapping unneeded letters obscuring adjacent characters

👎 Cons

  • Oil board will soften and lose edge sharpness if soaked in solvent cleaners — limits aggressive cleaning between uses
  • 10-inch size is fixed — too large for small craft or notebook labeling, too small for distant large-format outdoor signage
  • Individual stencil pieces mean managing and storing 40+ loose boards; no organizational sleeve or envelope is included
  • The material will eventually degrade with heavy paint exposure, unlike reusable plastic or Mylar stencil alternatives

Frequently Asked Questions

The oil board construction resists paint bleed-through on most smooth to mildly textured surfaces — cardboard, wood, concrete block, and paper all work well. Heavily porous or irregular surfaces like rough brick or unfinished lumber may require slower paint application to prevent bleeding under the stencil edges.
Oil board is more durable than plain cardboard stencils but will eventually soften if soaked repeatedly in paint or cleaning solvents. Wiping the stencils clean after each use and letting them dry flat extends their lifespan considerably — with moderate care, these handle dozens of applications before the edges lose definition.
Spray paint, brush-applied latex, and oil-based paints all work. Spray paint at medium distance gives the cleanest edges. Thick brush-applied paint can seep under the stencil if applied with too much pressure — use a stippling or dabbing motion rather than dragging strokes.
Each character is a separate stencil piece. The kit includes the full A–Z alphabet, numerals 0–9, and common punctuation symbols as individual boards, which allows you to arrange any combination without the other characters getting in the way.
At 10 inches, these produce lettering that is clearly legible from several feet away — well suited for shipping and warehouse box labeling, yard signs, and project boards. For smaller applications like binders or craft projects, the size may feel oversized; for large outdoor signage visible from a distance, the 10-inch characters may be smaller than needed.