Make a useful addition to your tool crib with the Eclipse 23 In 1 High Performance Screwdriver Set. The set contains 20 color-coded, hard, durable, and corrosion-resistant steel alloy screwdriver bits, a slip-free aluminum handle with rotating cap, and two extension bars. The bit assortment contains ten 4mm bits and ten 1/4' bits, and allows you to work with select slotted, Phillips, torx, spanner head, and security torx screws. The 2.8' extension bars provide access to hard-to-reach screws. All components can be conveniently stored and carried in the included lockable clamshell case, which features an ergonomic shape and transparent front panel.