These are intended as a portable survival tool for cutting wood. But the high-quality ones will cut metal, making them ideal for confined spaces or narrow access.

Homirty 2 Pieces Stainless Steel Wire Saw, Hand Pocket Serrated Cutting Saw Cable, Metal Wire Saw, Survival Wire Saw for Outdoor, Wire Saw for Wood with...
4.0

2 Pcs Metal Wire Saw Stainless Steel Cable Saw 27.56 Inch Hand Pocket String Emergency Survival Rope Cutting Tools PVC Cutting Tool for Wood Camping Hiking...
3.0

4 Pcs Stainless Steel Cable Saw, Metal Wire-Saw, Hand Pocket String Rope Saws for Wood Camping Hiking Hunting Red and Black 23.62 Inch
4.0