Lift, level, hold, or spread up to 27 in. With the DEWALT® TOUGHSERIES™ construction jack extension (DEWALT® TOUGHSERIES™ construction jack sold separately). With an adjustable height capacity of 12 in. - 27 in., this accessory delivers versatility and convenience for a wide range of installation applications including upper cabinets, staircases, shelving, undermounted sinks, and more. For decking applications, secure and lift 2x dimensional lumber with the integrated lumber cradle. With a maximum lifting capacity of 340 lbs. When attached to the DEWALT® construction jack, the DEWALT® TOUGHSERIES™ construction jack extension helps you work smart.Features Adjustable Height - Increase MAX* lift height of the DEWALT® TOUGHSERIES™ construction jack up to 27 in. (sold separately). Heavy duty load capacity - the construction jack extension has a maximum lifting capacity of 340 lbs. When attached to the DEWALT® construction jack. Application Versatility - Complete decking applications with the integrated lumber cradle that delivers convenience when working with 2x dimensional lumber. Non-marring Pad - Help protect your application's surface when lifting with a non-marring pad. Specifications Product Type Clamp Individual or Set Individual Piece Count 1 Maximum Opening 1-in Handle Type Squeeze Includes(1) DWHT83554WarrantyLimited Lifetime Warranty