This set contains impact rated sockets in sizes 8mm to 18mm, along with a hex shank adaptor which allows them to be used in tools like impact drivers as well as impact wrenches. Supplied in a rubber storage holder. Features and BenefitsMakita Impact Black 3/8" drive socket setIdeal for use with impact wrenches as well as tools like impact drivers and drill driversHex shank socket adaptor allows for use with 1/4" hex or standard jawed drill chucksImpact rated: designed to withstand heavy duty useSockets indicually labelled for quick identificationSupplied with a rubber organiser SpecificationsDrive: 3/8"Socket Type: Hexagon Metric Sockets Contents1/4" Hex to 3/8" Square Impact Socket Adaptor8mm x 28mm Socket10mm x 28mm Socket12mm x 28mm Socket13mm x 28mm Socket14mm x 28mm Socket15mm x 28mm Socket17mm x 30mm Socket18mm x 30mm SocketRubber Organiser