FACOM STUD DRIVER287B. 287B.10

287B - Roller-type stud drivers - Single-diameter
-Capacity: diam. 6 --> 16 mm.
-Turned by means of the hexagonal drive or a 1/2" - 12.7 mm ratchet. Except model 287B.16, which has a through-hole for a bar.
-Allows to tighten or untighten the studs.