8pcs socket holder hexagon shank 1/4" 3/8" 1/2" Simple and very practical, easy to use Ideal for drills and impact drivers and for your daily repair. Perfect for professionals as well as DIY enthusiasts. Essential accessories for electric screwdriver, drill and other power tools.< /li> Essential accessories for electric, pneumatic screwdrivers and other power tools. < p> The socket holders are manufactured with high quality, high performance construction to ensure maximum durability. Specifications: -Materials: CRV -Color: as the picture -Shank diameter: 1/4"(6.35mm), 3/8"(9.53mm), 1/2"(12.7mm) -Type and quantity: 1/4''*1/4''*25mm: 1pc 1/4''*1/4''*30mm: 1pc 1/4''*1/4''*50mm: 1pc 1/4''*1/4''*65mm: 1pc 3/8''*1/4''*50mm: 1pc 3/8''*1/4''*65mm: 1pc 1/2''*1/4''*50mm: 1pc 1/2''*1/4''*73mm: 1pc Package Content: 8 x Magnetic Screwdriver Bit Holder assortment Delivery quantity: 8 pieces Product color: silver Product dimensions: 1/4"(6.35mm), 3/8"(9.53mm), 1/2"(12.7mm) Note: manual measurement, please allow an error of 1 - 3cm!!!