48 Pc. 1/4" Drive Impact Socket Set CR-MO alloy steel for long life . Heavy duty blow molded storage case . Set includes: 3/16 (806), 7/32 (807), 1/4 (808), 9/32 (809), 5/16 (810), 11/32 (811), 3/8 (812), 7/16 (814), 1/2 (816), 9/16 (818), 3/16 (806D), 7/32 (807D), 1/4 (808D), 9/32 (809D), 5/16 (810D), 11/32 (811D), 3/8 (812D), 7/16 (814D), 1/2 (816D), 9/16 (818D), 4mm (804M), 4.5mm (8045M), 5mm (805M), 5.5mm (8055M), 6mm (806M), 7mm (807M), 8mm (808M), 9mm (809M), 10mm (810M), 11mm (811M), 12mm (812M), 13mm (813M), 14mm (814M), 15mm (815M), 4mm (804MD), 4.5mm (8045MD), 5mm (805MD), 5.5mm (8055M), 6mm (806MD), 7mm (807MD), 8mm (808MD), 9mm (809MD), 10mm (810MD), 11mm (811MD), 12mm (812MD), 13mm (813MD), 14mm (814MD), 15mm (815MD). 1848 Yes - NICKEL (METALLIC)