The first linear brick of its kind in the market designed and manufactured by Petersen. It is a 100% handmade product using unique waterstruck techniques. The K51 is a subtley variegated grey brick with a combination of rough and smoother textured bricks. It is a through colour product with surface creasing synonmymous with the handmade manufacturing process. It is a 4 sided facing brick which can be supplied in bespoke formats and specials.