Swiss army knife Spring
860 21/2”-10”. Modification Overview Production of the 2½” – 10 sizes began in 1993. Lead free version (LF860) was introduced in 2011. Parts do not.
IYPT 2010 Austria, I. R. Iran Reporter: Reza M. Namin 1.
4S-600, 4SG-600 21/2”-10”
Rotating spring
