iThinking Birdie Bird Nest Desktop Screwdriver Bits Set, Green (ITK-BN2001-Gr) Desktop screwdriver bits set Six (6) individual bits are hidden in the eggs and can be magnetically attached Bird's body provides ergonomic grip Reversible ratchet allows for ease of use Plastic: PP, TPR, ABS. Bits: S2 steel (#1, #2, #3, 5, 6, 7mm).