Draper expert 28884 box spirit level with handle, 600mm draper expert 29056, this set includes three professional box spirit levels measuring 600mm, 1200mm, and 1800mm, along with a 250mm magnetic boat level'. '.strtoupper('t')he box spirit levels are made of aluminum and come with three vials a 180deg domed arc center vial and two 90deg vials'. '.strtoupper('t')hey have a milled face on the underside to ensure maximum flatness and high accuracy'. '.strtoupper('t')he vials are uv and shock resistant, and the embossed rubber end caps provide added protection'. '.strtoupper('t')he boat level is made of die cast aluminum with a powder coated finish and strong magnets in the base'. '.strtoupper('i')t features two uv and shock resistant vials 180deg and 90deg'. '.strtoupper('t')he accuracy is 0.5mm in a standard working position'. '.strtoupper('f')or portability, these levels are supplied inside a strong padded storage bag'. '.strtoupper('d')raper expert 29056 box and boat spirit level set 4 piece