Ergonomic CorTec grip with lightweight and edgeless design for optimum comfort and various gripping positions. Comes with Comfort Fleece Straps. In most cases, if your poles go up to 140 or 145cm you will need the 18 mm grip if your poles go up to 130 or 135 cm you will need the 16 mm grip. If you need help finding the right grip, size or replacement instructions please contact customer service. Sold as a pair.