This is a gray HAKUBA "ZERO Neck Strain Hook." I am selling it because I couldn't attach it to my backpack. It is new and unused. 【Product Description】 ・ZERO strain on your shoulders and neck when carrying a camera! An item that makes taking photos even more enjoyable. ・Gray version that matches outdoor backpacks ・Adjuster belt width for attachment: up to 25mm ・Weight: Approximately 11g x 2 pieces ※ Cannot be attached to daypacks without adjuster parts on the upper part of the shoulder pad base.