These trekking poles are made of lightweight carbon fiber, making them quite light and durable. They have comfortable cork grips. There are some minor scratches on the surface, but I disassembled and cleaned them after each use. They lock, release, and adjust securely. There are no issues such as cracks or crushing that would affect their use. The shortest storage length is approximately 61cm. The adjustment markings are from 100cm to 130cm. The surface fabric of the straps was sticky, so I removed it. I will ship them assembled. Alpine Series Poles An advanced model based on the Trail Series, using high-quality parts such as carbon fiber shafts, cork grips, and FlickLock Pro. Boasts exceptional lightness, grip, and swing balance. Features a basket-replaceable Flex Tip, making it suitable for all seasons. - Brand: Black Diamond - Type: Trekking Poles - Material: Carbon Fiber - Grip: Cork Grip - Length Adjustment: Lever Lock Telescopic - Weight: Approximately 570g (pair) Thank you for viewing. Backcountry Mountaineering Winter Mountain Spring Skiing Snowboarding Spirit Board