Material: Chrome vanadium steel, fully formed, durable, reliable quality. Specification: 2 flat 2-blade SDS shank at one end, hexagonal shank at the other end; hexagonal size: standard 1/4 inch/6.35 mm Product use: It can convert electric hammer, impact drill and other original SDS connection methods into an inner hexagonal connection method, so it can connect all kinds of bit heads, tools chamfering, drill bits and other hex shank tools. Wide application: Ideal for woodworking, carpentry, auto parts repair, etc. Package includes 2pcs SDS to 1/4 Inch Hex Shank Drill Bit Adaptor. Material Chrome vanadium steel Quantity 2pcs Colour Silver Overall length 60mm/2.36in Type Drill Bit Adaptor Brand Unbranded/Generic MPN TJ4894927366556 EAN 4.