Simpson PGT2E-R50 12-Ga. Pipe Grip Tie for 2" Pipe 50-PkModel No. PGT2E R50 Pipe Diameter. 2 3 8 in. outside pipe diameter Gauge. 12 Width (in.) 7. 25 Height (in.) 2 Coating Material. Zinc Galvanized, G90 Installs With. PGT2E attaches to rails with (4) 1 4 in. x 1 1 2 in. Simpson Strong Tie Strong Drive SDS Heavy Duty Connector screws or 1 4 in. lag screws (follow code requirements for predrilling) Product Includes. Sold as full carton with (50) attachment plates, (50) front straps and (55) 1 4 in.