What this is
A T-track hold-down clamp that auto-adjusts to workpiece thickness instead of requiring you to loosen and re-tighten a knob every time the stock changes — a different mechanism than the fixed-arm POWERTEC 71168 already on the site. Once the clamping pressure is set via the set screw, it stays consistent across different workpiece thicknesses without readjustment.
Full specs
| Spec | Value |
|---|---|
| SKU | 54280 |
| Thickness range | 0" to 2-3/4", auto-adjusting |
| Clamping force | Adjustable, 5–250 lb |
| Pivot | 360° rotation; clamping foot pivots on a ball joint |
| Material | Heavy-duty metal construction; rubber-coated clamping foot |
| Track compatibility | T-tracks accepting 5/16" T-bolts |
| Weight | 0.95 lb |
| ASIN | B00TZTMLV8 |
Source: rockler.com’s own product page — manufacturer-published, not a retailer listing.
Rockler Auto-Lock T-Track Hold Down Clamp
Manufacturer markets the auto-adjust mechanism as holding constant pressure across varying stock thickness without re-tightening — set it once with the included set screw.
View Price on AmazonWho this is for
Jigs or setups where workpiece thickness varies between uses — the auto-adjust mechanism and 360° pivot mean you’re not re-tightening a knob or repositioning the whole clamp for every new piece, which the fixed-arm POWERTEC 71168 requires.
Who this isn’t for
If you always clamp the same thickness of stock and don’t need the adjustability, the simpler fixed-arm POWERTEC 71168 is a lower-cost, more straightforward option — Rockler’s own listing prices this one noticeably higher.
Bottom line
Manufacturer-sourced specs, not a hands-on test. On paper the standout feature is genuine auto-adjust across a 2-3/4" thickness range with a published 5–250 lb force range — a more flexible (and pricier) mechanism than a fixed-arm hold-down. Rockler Auto-Lock T-Track Hold Down Clamp if your jig work sees varying stock thickness.