Solid, heavy-duty vintage shop fixture piece with a partially intact R-Square Action WF label (Fort Worth, TX). This is a rugged aluminum bar with steel U-bolt shackle and hardware, ideal for use in workholding, jigs/fixtures, stops, or custom setups.

Key details:

• Approx. 13" overall length (see ruler photos)

• Weight: 4 lb 1 oz

• Steel U-bolt / shackle shows surface rust from shop use

• Includes all hardware shown (nuts/bolts as pictured)

• Label is worn/partially missing—great for vintage industrial parts bins or practical reuse

Please review all photos for exact configuration and measurements to ensure it fits your intended application.

Item specifics

• 🔧 Type: Workholding / Fixture Clamp / Stop Bar (application unknown)

• 🏭 Brand/Marking: R-Square Action WF (label partially intact)

• 📍 Location on label: Fort Worth, Texas 76109

• 📏 Length: Approx. 13 in

• ⚖️ Weight: 4 lb 1 oz

• 🧱 Material: Aluminum body + steel U-bolt/hardware

• 🎨 Color/Finish: Silver/gray (shop-worn)

• 🧩 Set Includes: Fixture bar with U-bolt/shackle & hardware (as shown)

• 🛠️ Country/Region of Manufacture: Unknown

• 🧰 MPN: Unknown

Condition
Used. Heavy shop wear, scuffs, grime, and surface rust on steel parts; label is torn/worn. Fully intact as shown.

Additional details
Seller’s Note: Please review all photos for exact condition and verify fitment before purchase.

Keywords
R-Square Action WF, Fort Worth Texas tool, machine shop fixture, workholding clamp, jig fixture bar, lathe accessory lot, South Bend lathe parts, industrial clamp, hold down bar, stop block, machinist tooling, vintage industrial hardware, fabrication fixture, metalworking tooling, shop made fixture