Description:Made of high quality plastic material, durable Walking pole socketTwo types for your options: for 14mm walking pole, 16mm walking pole or 18mm walking poleWith the lock, you can easily adjust the pole to the right length Suitable for outdoor sports such as hiking, backpacking, mountaineering, snowshoeing, climbing, etc. Specifications:Material: PlasticSize: 14mm,16mm,18mmWeight: 22gColor: Black, WhitePackage Contents:1 x Trekking Poles LockNote:1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures.2. Please forgive the 1cm/0.39in-3cm/1.18in measurement deviation due to manual measurement. Thank you for your understanding!