We have 2 new and unused Welsh slate worktops, they were delivered and cut then we changed our minds so we're unable to return, see below for the sizes. They were over £200 to buy. Originally 4.1m and 2m lengths. 600mm wide And 40mm depth Welsh slate worktop. Now cut to 1.95m and 2.7m (2.7 including 40cm cut for corner cupboard) cut to perfect L join with bolt holes cut out with the jig. 1.33m off