Yellow Brass View Specifications Hex Length Pipe Size Pipe Thread ManufacturerPart # Add To Cart Pipe Cap 0.58 0.28 1/8 1/8-27 108-2 $2.20 Pipe Cap 0.69 0.59 1/4 1/4-18 108-4 $2.29 Pipe Cap 0.88 0.69 3/8 3/8-18 108-6 $3.22 Pipe Cap 1.06 0.84 1/2 1/2-14 108-8 $4.29 Pipe Cap N/A N/A 3/4 3/4-14 108-12 $8.61