This BGS TECHNIC - 6779 Socket Wrench Bit Adapter Set consists of 16 pieces that represent various adapters: bit adapters with ball retainer to the square female hexagon, socket wrench adapters, drill adapters with male hexagon socket and finally bit holders. All highly useful and even essential parts for DIY. Made of chrome vanadium steel, these parts are corrosion resistant and ensure durability for intensive use. Opt for quality tools from a traditional family business with strong values, which has been offering a wide range of mechanical tools for almost 50 years. German quality to boot! Advantages: Professional quality parts Large variety of adapters Strong and durable parts for heavy duty use Features: 1 bit adapter with retaining ball | square socket 6.3 mm (1/4") | hex socket 6.3 mm (1/4") (Art. 8213) 1 adapter with ball retainer, square socket 6.3 mm (1/4"), hex socket 8 mm (5/16") (Art. 8251) 1 adapter with ball retainer, square socket 10 mm (3/8"), hex socket 8 mm (5/16") (Art. 292) 1 adapter with ball retainer, square socket 10 mm (3/8"), hex socket 10 mm (3/8") (Art. 291) 1 bit adapter with ball retainer | square socket 12,5 mm (1/2") | hexagon socket 10 mm (3/8") (Art. 290) 1 Socket wrench adapter - 6.3 mm (1/4") female square - 10 mm (3/8") male square (Art. 271) 1 Socket wrench adapter, 10 mm (3/8") socket - 6.3 mm (1/4") plug (Art. 269) 1 socket wrench adapter 10 mm (3/8") female square - 12.5 mm (1/2") male square (Art. 280) 1 Adaptor for socket wrench - square socket 12.5 mm (1/2") - square plug 10 mm (3/8") (Art. 270) 1 Adaptor for socket wrench - square socket 12.5 mm (1/2") - square plug 20 mm (3/4") (Art. 272) 1 Adaptor for socket wrench - square socket 20 mm (3/4") - square plug 12,5 mm (1/2") (Art. 274) 1 Adapter for drills - 6.3 mm (1/4") male hexagon to 6.3 mm (1/4") male square (Art. 9685-1) 1 Adapter for drills with 6.3 mm (1/4") male hexagon to 10 mm (3/8") male square (Art. 9685-2) 1 Adapter for drills with 6.3 mm (1/4") male hexagon to 12.5 mm (1/2") male square (Art. 9685-3) 1 magnetic bit holder, extra strong | hexagon socket 6.3 mm (1/4") | 60 mm (Art. 1727) Bit holder with female hexagon socket 6.3 mm (1/4") | 60 mm Gross weight: 1 kg Composition : Chrome vanadium steel Dimensions (WxDxH) : 27,1 x 18,3 x 18,3 cm Packaging: One Set of BGS TECHNIC Socket Wrench Adapters - 16 pcs - 6779Delivered in their original packaging