Router Bit Extension Rod 5Pcs/Set Spring Collet Set With ER20M Wrench Nut For
1 x ER20M Nut. ER20 φ13 Collet ER20 φ6.5 Collet 2 x ER20 Collet. 1 x 1/4in Shank Extension Rod. Extension Rod Total Length: Approx.85mm / 3.35in. 1 x Wrench. 1 x 1/2in Shank Extension Rod.