9" x 36 Teeth Carbide Tipped Blades, 9" x20T Carbon Steel Round Chainsaw Tooth Brush Blades, 10" x 3 Teeth Carbon Blades with Universal Adapter Kit fit for Brush Cutter Trimmer Weed Eater

What It Is

This is a multi-blade kit for brush cutters, trimmers, and weed eaters, with three types of blades: a 9-inch, 36-tooth carbide-tipped blade for heavy brush; a 9-inch, 20-tooth carbon steel chainsaw-style blade for woody material; and a 10-inch, 3-tooth carbon blade for grass and light weeds. It includes a universal adapter kit to fit most straight-shaft trimmers.

Fitment & Compatibility

• Shaft type: Designed for straight-shaft trimmers only—curved shafts won’t work without modification.
• Arbor size: Universal adapter kit with multiple hole patterns (typically 20mm, 25.4mm, 1-inch, and 7/8-inch). Verify your trimmer’s arbor diameter and bolt pattern before buying.
• Power rating: Use only on trimmers rated 30cc or higher. Low-power electric models may stall or overheat.
• Safety guard: You must have a brush cutter blade guard (metal or heavy-duty plastic). Standard string trimmer guards are unsafe.
• OEM vs aftermarket: It’s a generic aftermarket kit. Works on most brands (Stihl, Husqvarna, Echo, Ryobi, etc.) with the adapter, but no OEM fitment guarantee.

Key Things to Know

• Installation difficulty: Moderate. You’ll need a wrench, blade lock tool, and possibly a torque wrench. Follow the included adapter instructions carefully; misalignment causes vibration.
• Material differences: Carbide-tipped blade holds edge longer but is brittle—avoid hitting rocks. The chainsaw blade cuts wood best but dulls fast in dirt. The 3-tooth blade is for light trimming only.
• Safety concern: These blades are aggressive and can kick back. Always wear chaps, gloves, and eye protection. Never use at full throttle near obstacles.
• Common gotcha: The universal adapter may not center perfectly on some trimmer heads, causing wobble. Check runout before each use.

Should You Buy It

Buy this if you need one versatile kit for clearing mixed vegetation (grass, briars, saplings) on a straight-shaft, gas-powered trimmer with a blade guard, and you’re comfortable with moderate installation effort. Skip it if you have a curved shaft, low-power electric trimmer, or need a single-purpose blade for professional daily use—the 3.8 rating reflects mixed durability reports.