DMM 8mm Dynatec Sling Blue 400cm. They can be used for narrow thread protection and to generally reduce weight. Specifications for DMM 8mm Dynatec Sling: Manufacturer: DMM Fabric/Material: Dyneema Features of DMM Dyneema 8 mm Sling: 8mm Dyneema tape Super light Same strength as 11mm Dyneema slings Abrasion resistant Available as 60cm 120cm and 240cm open slings Package Contents: DMM 8mm Dynatec Sling DMM SP08400BL: 8mm Dynatec Sling Blue 400cm