For computer, hobbyists, watchmakers, optical, and all other detailed work. Large swivel head for greater control. Color-coded and cushion-grip handles. 2-1/2" chrome vanadium steel blade with black tip ensures long life. Molded storage case. Set includes 1 each: Slotted 3/32" and 1/8", Phillips No. 00, No. 0, and No. 1.