PE "Contact" offers the borders of black gabbro in stock. There are different length and thickness.
The company offers Borders (flower beds) black granite (gabbro) 8x10x40 sizes-80 cm, 80 cm 8x5x40-Price sawn curbs without polishing, chamfering: 8x10x40-80 cm = 60 USD / rm., 8x5x40-80 cm = 50 USD / rm., polished two sides 8x10x40-80 cm = 70 USD / rm., 8x5x40-80 cm = 60 USD / rm. Price is valid till 01.07.2013