Discontinued 536QCN
SL300 One Handed Bar Clamps / Spreaders
Discontinued 536QCN

SL300 One Handed Bar Clamps / Spreaders

  • New and improved one-handed clamp delivers 300 lbs of sustained clamping force, and locking swivel jaw for evenly distributed clamping force
  • Patented Locking Swivel Jaw
  • 3-1/4" Throat Depth
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Product Overview

The IRWIN QUICK-GRIP One-Handed Bar Clamp/Spreader SL300 delivers 300 lbs. of sustained clamping force evenly distributed with a locking swivel jaw. With a 3-1/4" throat depth, this clamp features removable pads, a quick-change screw to convert to spreader with 7-1/2" to 43-1/4" spreading capacity, and a heat-treated black oxide carbon steel I-Beam bar that reduces flexing and bowing.

Additional Features

  • Removable Pads
  • Quick Change Screw
  • I-Beam Bar reduces flexing and bowing


Lifetime Limited Warranty

We’re confident of the quality of our products, and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.


We take extensive measures to ensure all our products are made to the very highest standards but on the rare occasion that you need our help & support, we've got you covered. Just get in touch.