Base amp Blade Assembly Black for Kenwood SB306SB307SB308 Kenwood Genuine Part Number KW680991 Please note Most orders are fulfilled in 4 7 working days selecting express delivery on this item will mean that the order is shipped on a next day service the moment we get it in stock bringing down the delivery time to normally under 3 days. Spare parts are often custom ordered so please make sure that you have selected the correct part for your device. As spares are at times made to order they are excluded from our returns policy.