Normally Supplied Unterminated.
Various lengths: typically 100mm, 200mm, 300mm, 500mm.
Can make up to 1800mm compressed.

Various conductor sizes: from 2.5mm²,  in theory up to 300mm² !
(There may be minimum order quantities required on some sizes.)
By far the most common size would be  6mm²

 

Can be supplied with earth clamp to ring terminal.