Acetate and steel handle material.
Includes:
Slotted 1/4", 5/16", Phillips #1, #2, Hex 0.050", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4" Adapter, 3-1/4" Extension, Ratchet Offset Handle, Screwdriver Handle, Plastic Case