CRKT El Santo Trauma Shears: Emergency Shears, Strap Cutter, Glass Breaker, Ribbed Utility Grip 5007 Emergency medical technician shears Replaceable strap cutter blade with micro-veff serrations Ribbed utility grips for safe handling Designed by Michael Martinez and his father Baltazar E. Martinez Limited Lifetime Warranty covers any defects in materials or workmanship, see company site for details