Description: agon Socket Set: 1/4inch Hammer Socket Nut Driver Screwdriver Adaptor Holder Drill Bit Converter For SDS Electric Hammer Drilling Tool . Compact: agon is standard size 1/4 inch (6.35mm). One head is an SDS 2 pits two slots, the other is socket . Material: Made of Chromium vanadium steel material, Spring loaded ball bearing on head holds sockets securely . Perfect Tool: This drill bit adapter can help change hammer, impact drill tool which originally use SDS connection method into the agonal connection way, can connect with a variety of heads, chamfer, drill, and another agonal handle tool. Accessories: socket adaptor for SDS electric hammer , which can convert your drill into a screwdriver, suitable for a screwdriver or electric screwdriver handle tools . Specification: Material: Chromium Vanadium Steel  Color: Silver, Black Size Chart: 7cmx5cmx3cm/2.76inchx1.97inchx1.18in Package Includes: 3 SDS Socket Adapter Set Note: Please allow slightly errors due to manual measurement and different monitors.