Sigma Electric 41923 EMT 1 1/4-Inch Two Hole Strap, 4-Pack Go to amazon.com Related posts Top 16 best conduit strap 2022 FeatureStamped SteelSupports EMT ConduitcULus Listed Description1-1/4" 2 Hole EMT Strap from Sigma Electric. Sigma has been a trusted manufacturer of metal conduit fittings and weatherproof products for over 25 years.