Strong, good-looking cast stainless steel thru-hull fittings for hose.Stainless Steel Thru-Hulls with Straight Barb for Hose. Fittings include nut. For above the waterline installation on hulls up to 1" thick. Good choice for scupper, sink drain and bilge overboard discharge.DimensionsFits Hose IDMax. Hull ThicknessFlange ODSFPLU#Model5/8"1"1 7/8"HTH-625-S36844043/4"1"1 7/8"HTH-750-S36844121"1"2 5/16"HTH-1000-S36844201 1/8"1"2 5/16"HTH-1125-S36844381 1/4"1"2 5/8"HTH-1250-S36844461 1/2"1"2 7/8"HTH-1500-S36844532"1"3 5/16"HTH-2000-S3684461