Black Bull ISOCKET8 Black Bull 1/2" Drive 12 Point Spindle Deep Impact Socket Set (8 Piece) High-duty, 8 piece 1/2 in. deep impact socket set, for use with impact tools Most common metric sizes include: 29, 30, 32, 34, 35, 36, 38, 39 mm, arrives packaged in durable storage case 12-point socket helps to limit damage to alloy wheels and nuts Rust-resistant black oxide finish for better anti-rust effect Constructed of chrome moly allow steel, that has been hardened, tempered and anodized to resist corrosion