3.000 in. O/a lg; 0.937 in. O/a dia; drag lock plunger part no. B12133-1 q type 1, drag lock retainer spring part no. B12137-1 q type 1, drag lock housing part no. B12138-1 q type 1, insert 1/4-20 part no. 200213 q type 1, adjustable thumb screw part no. 200383 q type 1, compression spring part no. 400162 q type 1