Features
W socket: 2 sizes of 17MM and 21MM can be used by attaching a replaceable 6.35 bit (for temporary tightening)
Can be set from 50MM to a maximum of 250MM at 50MM intervals by inserting the special stopper into the main body hole

Use
For hanging bolts (3/8/1/2) nuts (17MM/21MM)

Specification
Shaft dimension (mm): 6.35
Total length (mm): 386
Size: 17×21-250

Specification2

Material/Finish
Body: Carbon steel pipe for machine structure

Set contents/accessories
EBS-4S:2, EBS-4:2, EBS-B:2

caution