Single Split Coupling Features: A better mothod of holding two shafts together in an axial plane.The clampling power provides a method of holding the shaft without damage to the shaft. Reliefcuts are provided on all of these one piece couplings. 1)Available Bore Sizes:1/4"x1/4" through 2"x2", 6mmx6mm through 50mmx50mm.2)Available Finishes:Stainless Steel,steel-black Oxided and zinc-plated. 3) With good quality and competitive price4)Inner packing: single box Outer packing: cartons with pallets