I've used a few of these. I no longer need them, so I'm selling them. I remember using less than 5. - Sizes: 0.5 x 3.5mm, 0.6 x 4mm, 0.7 x 3.5mm, 0.7 x 4mm, 0.8 x 4.5mm, 1.0 x 6mm, 1.2 x 8mm - Quantity: Multiple pieces of each size - Material: Metal - Storage case: Clear plastic case included