Durable plastic construction with metal inserts for scraping blades clean. Lightweight and portable with stable, flat bottom. For mixing plaster, jointing compound and other fillers. Suitable for blades up to 300mm (12”) wide. Durable plastic construction with metal inserts for scraping blades clean. Lightweight and portable with stable, flat bottom. For mixing plaster, jointing compound and other fillers. Suitable for blades up to 300mm (12”) wide.