OIY1639 Features: * Reversible collets with two size capacities at each end * Both ends of each chuck are beveled, providing ""back support"" * Knurled handle and binding nut * Capacity: 0 in [Min], 1/8 in [Max] * Jaw Material: Steel * Handle Material: Steel * Price is for 1 Each Dimensions: * 1 chuck holds 0"" to 0.031"" and 0.093"" to 0.125"" diameter tools; other chuck holds 0.031"" to 0.062"" and 0.062"" to 0.093"" diameter tools