10 Pc 1/32"-3/8" ER16 Spring Collet Chuck Set With R8 Shank. ER16 Collet Sizes: 1/32", 1/16", 3/32", 1/8", 3/16", 7/32", 1/4", 5/16", 11/32", 3/8". 1 Pc R8 Shank Chuck. 1 Pc Clamping Nut. 1 Pc Spanner.
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