Features
- High-carbon steel cutting edge for removing tough sealants, paint, and glue
- Tapered blade profile for access in tight spaces
- Starlock three-dimensional interface for higher torque transfer and reduced vibration
- OIS compatibility — fits Starlock and OIS-compatible multi-tools
- Color-coded interface and laser-etched marking for quick identification
- Pack of 10 blades (OSL214K-10)
Specifications
| Application | Removing sealant, paint, glue |
| Blade Size | 2-1/4" |
| Blade Thickness | 0.125" |
| Blade Length | 4 |
| Blade Width | 2.25 in |
| Immersion Depth | 1.5 in |
| Material | High-carbon steel edge / soft material |
| Interface | Starlock (three-dimensional) - OIS compatible |
| Pack Quantity | 10 |
| Origin | Swiss made |
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Starlock caulk knife blades for oscillating multi-tools. The blades have a high-carbon steel cutting edge intended for removal of sealant, paint, and glue. They use the Starlock three-dimensional interface for a secure fit and are compatible with OIS-compatible oscillating tools.
Model Number: OSL214K
Project Ideas
Business
Shower/Tub Re-Caulking Service
Offer a fast, clean removal of moldy or failing bathroom caulk using Starlock blades, followed by proper surface prep (alcohol scrub, dry time) and premium mildew-resistant silicone application. Market to homeowners, property managers, and hotels with per-linear-foot pricing.
Painter’s Substrate Prep Crew
Specialize in removing peeling paint edges, silicone beads, and construction adhesive smears ahead of painting. The low-vibration Starlock interface boosts speed on trim, windows, and baseboards. Sell as an add-on for painting contractors to reduce their labor hours.
Flooring Adhesive and Transition Cleanup
Provide removal of glue lines, transition strip adhesives, and stubborn caulk around thresholds and baseboards before flooring installs. Perfect for LVP, carpet, and tile installers who need clean substrates without damaging adjacent finishes.
Historic Window and Sash Restoration
Mobile service to strip old glazing putty, silicone, and paint lines on wooden sashes while preserving profiles. Include re-glazing, weatherstripping, and repainting. Emphasize dust control, lead-safe practices, and minimal vibration with Starlock blades for delicate work.
Storefront and Signage Adhesive Removal
Clean off legacy silicone beads, tape residue, and construction adhesive from glass and metal storefronts during sign changeovers or remodels. Offer after-hours service for minimal disruption; bill per opening or square footage.
Creative
Vintage Window Frame Photo Collages
Salvage old window frames by using the Starlock caulk knife blades to strip cracked paint and brittle glazing/caulk, then sand and seal the wood. Add glass or acrylic and mount photos or botanicals for wall art. The tapered profile helps reach muntin corners and tight recesses cleanly.
Reclaimed Wood Wall Art Panels
Harvest boards from pallets or old furniture and use the blades to remove glue beads, paint drips, and latex caulk residue without gouging the grain. Arrange pieces into geometric patterns, stain, and finish for modern rustic art or headboards.
Mosaic Tile Revivals
Upcycle leftover or salvaged tiles by clearing old mastic, silicone, and paint overspray from tile edges with the oscillating blade. Clean edges nest tighter for neat mosaics on trays, backsplashes, or garden stepping stones.
Resin Art and Coaster Cleanup
After resin cures, trim overflow and clean silicone dam residue around coasters, trays, and charcuterie boards. The high-carbon steel edge shaves cured drips for crisp, professional borders before final polish.
Upcycled Door Panel Chalkboards
Strip peeling paint from recessed door panels and remove old caulk lines with the Starlock blade. Paint panels with chalkboard paint, refinish the stiles/rails, and add hooks or baskets for farmhouse-style entry organizers.