ER spanner. For clamping ER11/ER16/ER20/ER25/ER30/ER40/ER50 collect. Black color, 7 models. Made of high quality tool steel.

ER spanner

Model	B	L	Clamping Nut
S/ER11	17	110	ER11-A ER11-T1
S/ER16	25	120	ER16-A ER16-T1
S/ER20	30	130	ER20-A ER20-T1

Model	B	L	Clamping Nuts
S/ER25-S	37	210	ER25-B ER25-T2
S/ER32-S	45	250	ER32-B ER32-T2
S/ER40-S	58	290	ER40-B ER40-T2
S/ER50-S	72	350	ER50-B ER50-T2

ER spanner for clamping ER collet