VIMSHM400 Features: -9 Pc. 1/4" Dr. SAE Stubby Hex Bit Set.-S2 alloy steel, the strongest, hardest drivers available.-Stubby one piece driver design, 1/4" square drive.-Knurled body for finger control.-Drivers heat treated to 56 to 62 RC.-Satin chrome plated.-Plastic storage case.-VIMSHI400 (SAE 3/32" - 3/8").-VIMSHIM400 (Metric 2mm - 10mm).-9-Piece 1/4 in. Dr. Metric 2mm - 10mm Stubby Hex Bit Set. Warranty: -Sets & Kits do not have warranty/ see individual pcs for details.