Sealcon: Strain Relief, Multi-Hole, for Hazardous Locations, Dome Top, Nickel Plated Brass, M20 x 1.5, Holes: 3 x .16” (4.0 mm) $20.98 Out of stock SKU: CD22M2-MX Category: Uncategorized Related products Product available in 3 weeks Read more Sealcon : CF21N9-BR, (CF21NA-BR+1.089.2108.19).. Strain Relief w/ Multi Hole Insert, Flex Fitting, NPT Thread , 3/4” NPT Thread, Nickel Plated Brass $51.05 Quick View Product available in 3 weeks Read more Sealcon Part #: CD16N2-BR, Nickel Plated Brass Multi-Hole Strain Relief, Thread Type: 1/2” NPT, Diameter of Holes .16” (4 mm) $19.97 Quick View Product available in 3 weeks Read more Sealcon Part #: CD16N4-MX, Nickel Plated Brass Multi-Hole Strain Relief, Thread Range: 1/2” NPT, Diameter of Holes .16” (4 mm) $14.90 Quick View Product available in 3 weeks Read more Sealcon Part #: CD16N2-MX, Nickel Plated Brass Multi-Hole Strain, Thread Range: 1/2” NPT, Diameter of Holes .16” (4 mm) $14.90 Quick View