Falcon engineers are a leading suppliers and manufacturer of various type of locking assemblies, clamping sleeves, locking elements, universal joints, keyless couplers, flexible couplings & other power transmission equipment with very affordable rates, which replaces the keys, keyways, splines, polygoan connections. They manufactures and exports the shrink disc. The model no. Of the disc is sfn 4071 & 307. It is available in 19x50x18 to 250x520x140 size. Consisting of one split bush and two flanges connected by axial screws. By tightening the screws, create pressure on shaft and clamps.