Length: 4" (102 mm) Square Stock Size: 11/32 in (8.7 mm) Tip Size: 3/32 in (2.4mm) Size: 3/32" Square Head/Round Knurled Shank The CRL Stanley Nail Sets have polished tips and are cupped and chamfered for durability. Made of hardened and tempered alloy steel, they have square heads to keep them from rolling. Available in three sizes: 1/32, 2/32, and 3/32 inches (.8, 1.6 and 2.4 millimeters). One per package.