When using shelf support poles to support the front edges of your shelves you will need to buy pole clips. If you purchase a 1009, the pole will come with 6 Shelf & Rod pole clips. However if you are using contractor poles – 117/118, you will need to purchase the pole clips separately. If you plan to support Shelf & Rod shelving with your pole then you will need to buy one of these pole clips for every shelf you are supporting per pole. These clips have a wider gauge on them compared to the 978 clips, as they are designed for Shelf & Rod shelving, so if you are using any other style of shelving please use 978 clips. These clips are made from white plastic.