Product Info Catalog Tools Hand Screwdrivers & Nut Drivers 3/8 x 12-In. Square Slotted Keystone Screwdriver 3/8 x 12-In. Square Slotted Keystone Screwdriver Request a Quote UPC: 52088879399 SKU: 103620 Model Number: 103620 Master Mechanic 3/8" x 12", Square Slotted Keystone, Screwdriver, Cellulose Acetate Handle, Clear Transparent With Red Inlay Stripe. High grade alloy steel blades, heat treated for superior strength Rugged, impact and chemical resistant cellulose acetate handle Ergonomic 6-flute handle design for comfort and maximum turning power Durable plating for corrosion resistance