• These are compatible with Bosch ART 23 Combitrim, ART 26 Combitrim, ART 30 Combitrim, ART 23 Easytrim, ART 26 Easytrim
• Made of durable plastic material, strong, wear-resistant and not easy to break
• Protect your spool and line, make your lawn trimmer work safely
• Convenient to change, easy to install

Specification:

• Size: 69*30mm
• Center hole diameter: 23mm