Genuine Mini Roto-Grip Locking Rotomatic® 505BC6 6 Inline Black Chrome
A smaller version of the regular size ROTO-GRIP® lockers for the in line and smaller headstocks or for those who prefer a lighter feel. All the great features of Roto-Grip, including the 18:1 gear ratio.
All Grover products sold by us are genuine, official Grovers in original retail packaging.
You can find the dimensions and spec here