B r enterprises manufactures br scv 110 and brscv 90 self-centring device. These instruments are available with salient features like base made of close-grained cast iron with brinell hardness 180 and above; components machined to close tolerance; hand-scraped base to guarantee perfect squareness; tool steel hardened and ground v blocks with two v shaped locations; clamping range can be enhanced by simple reversing of v block; and tool steel hardened and ground clamping jaws; and interchangeable parts. Some of the technical specifications of this self centering devices are type br scv 90/type br scv 110 models; 6 to 50 mm/10 to 8 mm diameter range; 90 mm/110 mm jaw width; 180 x 150 mm/200 x 185 mm [l x w] vertical base; 14/16 mm/14/16 mm tenon slot; and approx 17 kg/27 kg weight.