"U" notched for EIFS applications Aluminum alloy mounting riveted to a hard tempered stainless steel blade Square Notch is Carbon Steel Resilient DuraSoft™ Soft handle h Specs Warranty Info TRNT2 Rounded, 1/4"x1/4"x1-1/2 TRNT3 Rounded, 3/8"x1/2"x1-1/2" TRNT4 Rounded, 1/2"x1/2"x2" TRNT5 Rounded, 3/16"x3/8"x1-3/4" TRNT9 Rounded, 5/8"x5/8"x1" TRNT10 Rounded, 5/16"x5/16"x3/4" TRNT11* Square, 3/8"x3/8"x3/8" *Carbon Steel
