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
First4spares Premium Replacement Double Feed Spools and Line for Most Qualcast, Challenge Xtreme, Champion, Lanxcape, Gardenline, MacAllister and Worx Grass Trimmers - Triple Pack : Amazon.co.uk: Garden
Challenge+Xtreme+Ggt300d+Prt350t+Trimmer+Strimmer+Replacement+Spool+%26+Line for sale online | eBay
Challenge YT9231A (Argos 6069784) Trimmer parts
Challenge Trimmer Spare Parts | PartsCentre
Challenge Trimmer Spare Parts | PartsCentre
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
Spares2go Spool & Line for Challenge Grass Strimmer/Trimmer (Pack of 2) : Amazon.co.uk: Garden
String Trimmer Line Installation Instructions - YouTube