CP30 Extension Fixing Kit. SKU: CP30-EXT-KIT In Stock 8 Available Pinit Download Image Each Quantity discounts available QuantityPrice Quantity -+ £3.31 RRP (EX.VAT) Add to Basket DescriptionDescriptionFor use on CP30 back-to-back cylinder pulls.Extension KIT to allow the cylinder pulls to be used on door thicknesses of up to 70mm.