Starbrite Adjustable Knuckle £9.95 Quantity: at £9.95 each Add To Basket This is a very handy device and adapts to Scrubber pads. Helps you get to those hard to reach, awkward areas. Swivel function allows scrubber pad to follow curved surfaces for effective cleaning. Molded of glass reinforced nylon for durability. For use with all Extend-A-Brush Premium Handles to obtain an offset adjustment of scrubber pads.Various other Starbrite products available.