The Studco Trim90 plasterboard beads are a superior plasterboard finishing section designed for installation by professional plasterboard contractors and to provide a clean defined edge on either curved or straight plasterboard details. The perforated legs provide a strong key for building board finishing compounds and the optimum nib profile provides a knock resistant corner. The wide range of Trim 90 profiles available will suit all standard building boards, however is a custom profile is required Studco has the facility to produce special sizes and profiles to suit individual requirements. All standard exangle range of Trim90 beads are packaged in cartons to provide protection for your convenience.