Metric Round 4728 B42 Index 173E Spring Collets 6 - 40mm Crawford Boley, Select:
Crawford / Boley 4728 B42 173E Collets. 19mm Boley Grooved, 0, very good condition. 25.5mm Boley Grooved, 0, very good condition. 28.5mm Boley Grooved, 0, very good condition. 32mm Boley Grooved, 1, very good condition.