■ This is a rope guard called a house sleeve used for tree climbing ■ New Length: Approximately 90cm Outer diameter: Approximately 16mm Inner diameter: Approximately 14mm Color: Black . These are made personally, so please purchase only if you can use them at your own risk. . In tree climbing, the tree will be damaged if you don't use a house sleeve. Please use a house sleeve to protect the tree. . For those who want to use 12mm three-strand rope New ropes can be used, but three-strand ropes that have been used for several years cannot be used because the rope has become thicker. . When using used ropes, be careful as the rope may have become thicker. . We will offer a discount for bulk purchases, but it will be a token amount. Also, please feel free to consult us if you have a desired length. Please use the following hashtags when searching for other house sleeves: #riClimbing #housesleeve #ropegard #treeclimbing #arborist #onthetree #specialfelling #staticrope #rescue #firefighting #iceclimbing #climbing #forestry #landscaping #mountaineering #rope #frictionsaver #tandempruisic #prussic #slackline #slugline #treecare #line #protection #conservation #kit #set #complete set #etc.