FEIN Cutting Knife, Blade Width 4 mm, StarlockPlus (63903201210)

With a 65 mm cutting width and 50 mm effective cutting depth, this FEIN E-Cut Long-Life saw blade powers through wood, plasterboard, plastic, and even sheet metal up to 1 mm. The bi-metal construction pairs a flexible body with hardened teeth, delivering up to 10 times longer life than standard HCS blades. Starlock mounting ensures a secure, tool-free fit on compatible oscillating multi-tools.

Overview

The FEIN E-Cut Long-Life saw blade (model 63903201210) is a premium accessory for Starlock-compatible oscillating multi-tools. Its straight plunge-cut shape and universal toothing make it ideal for precise cuts in wood, plasterboard, plastic, fiberglass, non-ferrous metals, and thin sheet metal. Whether you are trimming door frames, cutting openings in drywall, or slicing PVC pipes, this blade delivers clean, fast results.

What stands out

• Bi-metal blade: flexible body with hardened teeth for exceptional durability
• Long-Life series: up to 10x longer service life than standard HCS blades
• Starlock mounting: tool-free, secure fit on compatible multi-tools
• Versatile: cuts wood, plasterboard, plastic, fiberglass, non-ferrous metals, and sheet metal up to 1 mm
• Straight plunge-cut design for precise, clean cuts

Technical details

• Blade type: E-Cut Long-Life saw blade
• Material: Bi-metal (BIM)
• Cutting width: 65 mm
• Effective cutting depth: approx. 50 mm
• Mounting system: Starlock
• Tool compatibility: Oscillating multi-tools with Starlock mount
• Primary applications: Wood, plasterboard, plastic
• Secondary applications: Fiberglass, non-ferrous metals, sheet metal (up to 1 mm)
• Tooth design: Universal toothing
• Blade shape: Straight / plunge cut
• Manufacturer series: E-Cut
• Max. material thickness (sheet metal): 1 mm
• Quantity per pack: 1 piece
• Color: Metallic grey/black

Our verdict

For professionals and serious DIYers, the FEIN E-Cut Long-Life blade is a worthwhile investment. Its bi-metal construction and Starlock compatibility ensure reliable performance across a wide range of materials, reducing blade changes and downtime.