Sklars Vickers K-Wire Dispenser is used to store and dispense four different size wires. Dial enables for dispensing of one size at a time. This product can lock to avoid acidental dispensing to avoid mix-up. The small dispenser has four chambers. Chamber 1 holds sixty pieces of 0.039" (1.0mm) wire; Chamber 2 holds forty pieces of 0.047" (1.2mm) wire; Chamber 3 holds thirty pieces of 0.055" (1.4mm) wire; Chamber 4 holds eighteen pieces of 0.063" (1.6mm) wire.