Helix shatter resistant ruler
Source: http://www.ryman.co.uk.Ryman. License: All Rights Reserved.
It doesn't get much more appropriate than this, does it? AShatter.
Source: http://www.ryman.co.uk.Ryman. License: All Rights Reserved.
Source: http://www.ryman.co.uk.Ryman. License: All Rights Reserved.
It doesn't get much more appropriate than this, does it? AShatter.
Source: http://www.ryman.co.uk.Ryman. License: All Rights Reserved.