54 in. Long Blade
Six inches longer than the standard 48 in. T-square. Covers oversized drywall and angled cuts that overshoot the normal blade.
Heavy-Duty Head
1/4 in. thick head with a 1/2 in. working surface. Five steel rivets and two roll pins lock it to the blade. No flex under the knife.
Hi-Vis Yellow Finish
Yellow thermally-fused powder coat keeps the square visible against drywall. Mark the cut, the body stands out from the sheet.
SKU TD540
Available at trusted retailers nationwide
Direct pricing coming soon. See retailer availability below.
The 54 in. Wallboard Square stretches the aluminum drywall T-square to 54 inches for oversized drywall and angled cuts that overshoot a standard 48 in. blade. Heavy-duty 1/4 in. head with a 1/2 in. working surface rides the knife without flexing, locked to the blade with five steel rivets and two roll pins. Hi-Vis yellow thermally-fused powder coat keeps the square visible against drywall. Outlet-size body opening for marking.
TD540
Pick up locally or order online from Amazon, Home Depot, Lowe’s, Walmart, Ace, Menards, or Acme Tools.
Family-owned
Same factory since 1925
Trusted retailers
Available nationwide
Pro-trusted
32,000+ verified reviews
In stock at retailers
Why pros reach for it
01
Six inches longer than the standard 48 in. T-square. Covers oversized drywall and angled cuts that overshoot the normal blade.
02
1/4 in. thick head with a 1/2 in. working surface. Five steel rivets and two roll pins lock it to the blade. No flex under the knife.
03
Yellow thermally-fused powder coat keeps the square visible against drywall. Mark the cut, the body stands out from the sheet.
A closer look
Six inches longer than the standard 48 in. T-square. Covers oversized drywall and angled overshoots.
Five steel rivets and two roll pins lock the 1/4 in. head to the blade. 1/2 in. working surface, no flex.
Yellow powder coat thermally fused to the aluminum body. Resists nicks from the utility knife cut after cut.
