The Victorinox and Wenger 1986 Soldier Swiss Army knives are a 93mm / 3 1/2" ribbed alox knife, with a 1986 date on the blade tang. This model was standard issue for the Swiss army during 1986. Soldier knives with an 86 date have a hollow rivet, a cutting notch in the bottle opener, and a square box for the Waffenkontrolle inspection stamp. Tools are similar to the 1985 Soldier and 1987 Soldier.