Trimmer Spool Head For Einhell BG-PT 2538 /Sovereign HS-PT 2538 / Challenge Xtreme CX-PT 2538 Replace ALM GP301 - AliExpress
ALM Spool & Line for Sovereign 18v | Homebase
Grass Trimmer Replacement Spool for Challenge N0E-15ET-230 18V Cordless Trimmer Spool & Line Fast Post Thread Spool, Length 8 m, Diameter 1.5 mm : Amazon.co.uk: Garden
Challenge+Xtreme+Ggt300d+Prt350t+Trimmer+Strimmer+Replacement+Spool+%26+Line for sale online | eBay