Fast Clamp Fittings for Hand Railing Systems Other brand names include: Key Clamp, Kee Klamp, Kee Clamp, Tube Clamp, Pipe Clamp, Fast Clamp, Interclamp and Scaffold Railing. All systems are interchangeable and these fittings can be used with any brand name. Grub Screws are included on all fittings. Standard: BS EN 1562:1997, grub screw to BS EN 1563:1997Material: Main body - malleable iron, screw - ductile ironHot dipped galvanised to BS EN ISO 1461:1999.Suitable for use with steel tube to BS EN 10255 and BS1387. These are the highest quality of fittings unlike some of the cheaper low quality fittings available online. All prices include VAT at 20% and a VAT Invoice will be provided Should you require large quantities please contact us for a bulk discount. All items are in stock and available for a next day delivery!!!!!!!!!!