Description Master Mechanic 5/16″ x 3-1/4″ Round Solid Nut Driver. Transparent With Yellow Inlay Stripe. Designed for Dependability. Designed for dependability. Solid Shaft with 1″ Drilled Recess Beyond Socket Durable Plating for Corrosion Resistance Rugged, Impact and Chemical Resistant Cellulose Acetate Handle Ergonomic 6-flute Handle Design for Comfort and Maximum Turning Power
