Draper Metric Socket Set, 1/4" Square Drive (20 Piece) - B20M/SGExpert Quality, six point socket made from chrome vanadium steel that's hardened and tempered with a micro satin finish. Each socket has a knurled ring for extra grip. Supplied with a 72 tooth reversible soft grip ratchet and accessories. Packed in plastic storage case. Manufactured and tested generally in accordance with DIN3122 and ISO3315 Specifications Key Features Expert Quality 20 piece metric socket set featuring six point sockets crafted from