5689 RE-BAR TIE-WIRE #16.5 3.5# | Center hole (semi-square with round corners) enables roll to be quickly reversed for right or left hand use. Roll slips quickly onto the reel, yet easily rewinds. Continuous rolls and uniform diameters. Ideal to tie rods. Meets ASTM-A-853. 16.5 ga. 3.5 lb coil.