Dustight Strain Reliefs Non-Insulated 1/2" NPT, .24"-.32" Grip Range 1/2" NPT, .32"-.43" Grip Range 1/2" NPT, .43"-.54" Grip Range 3/4" NPT, .54"-.73" Grip Range 1" NPT, .73"-.97" Grip Range 1 1/4" NPT, .97"-1.25" Grip Range PG29, .73"-.97" Grip Range Insulated 1/2" NPT, .24"-.32" Grip Range 1/2" NPT, .32"-.43" Grip Range 1/2" NPT, .43"-.54" Grip Range 3/4" NPT, .54"-.73" Grip Range 1" NPT, .73"-.97" Grip Range 1 1/4" NPT, .97"-1.25" Grip Range 1 1/2" NPT, .73"-.97" Grip Range 2" NPT, 1.50"-1.70" Grip Range 2 1/2" NPT, 1.70"-2.00" Grip Range 2 1/2" NPT, 2.00"-2.45" Grip Range