Complete Collocation: included 2pcs bendable drill bit extension, 3pcs 1/4, 3/8, 1/2 inch universal socket adapter set, 3pcs screwdriver bit set, 1pcs 105 degree right drill extension. These extension kit work great, when you have limited access. 3pcs Universal Socket Adapter Set: Drill socket adapter set turn your /drill /hand into versatile nut driver set, spring loaded ball locks onto socket set. 3pcs 1/4inch , 3/8inch , 1/2inch each with a 1/4inch hex drill fits all quick-change chucks adapter system. Hex Flexible Drill Extension: It come with a 105 degree right drill extension bit and a 11.7 in flexible extension bit.easy, lightweight, fast, connect to the standard hex screwdriver. Screwdriver Bit: 1/4 Inch Hex Magnetic Extension Chuck Adapter Quick Release Bar Socket Screwdriver Bit Holder | 60mm/ 100mm/ 150mm Length,Suitable for electric, pneumatic screwdrivers and other screwdriver of power , drill extended. Widely Used: Compatible with small wrench / cordless screwdriver / low speed dc hand drill /pneumatic screwdriver/ drill / electric screwdriver.mainly used in computer chassis, electrical cabinets, furniture, electrical appliances and other narrow space screwdriver. Colour: black Material: stainless steel Contents: 3 * sleeve rod (1/4 inch, 3/8 inch, 1/2 inch) 3 * Extension rod (60mm, 100mm, 150mm) 2 * flexible shaft 1 * Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.