When I bought my current glider is '03, I bought Spindleberger's black Delrin eccentric tool offered as an option. It had a steel pin reinforcement pressed in concentric with the small end.

I "copied" his design with some "bumper improvements", and sold his :c)

Improvements include:

Small dimple drilled in handle end and filled with white paint to indicate position of small eccentric pin. Useful in determining which way recalcitrant hole needs to move.

3 "stacked" through-holes in handle end, drilled 120* from each other (thus offering 6 holes spaced 60* apart for steel handle to insert.

Handle end bent at 30* to offer a total of 12 potential "positions" for handle in tight quarters. (in use, it's rare to use the handle at all . . . no need as the handle end with the cross drilled holes provides plenty of grip to turn the tool by hand. Knurling the handle end would do just as well)

Of the several things I make and sell for gliders, the eccentric tool isn't among them as it wasn't my idea - - though doubtless any patents would have long since expired.

I'm among the Super Lube grease crowd. It's especially good in cold weather..

bumper