SISI UK is one of the leading manufacturers and suppliers of world-class quality hardware products in the UK. SISI UK Ltd is a family-run business that has been established for over 30 years. They are distributors of hardware, ironmongery, DIY, household, security, and pest control products. They are well known for their fast and professional service. These Swish Leverlock Brackets will fit the Swish Deluxe, Superluxe, Supreme Glide, and Supreme Cord Curtain Track.