Yosoo Mini Stainless Steel Pocket Wire Saw Emergency Camping Survival Chain Saw Survive Tool Total Length: 69 cm The ring diameter: approx. 6 cm / 2.4in Flexible and lightweight, easy to carry With saw tooth and two rings It can be used for cutting wood, plastic, rubber and metal bone, soft. Indicated for hunter, fisherman, camper, explorer, rescue, and other outdoor activities and use of family, etc..