Protect your investment by replacing parts. The Replacement Intex 12221 Horizontal Beam (C) for 16ft X 8ft X 42in Rectangular Prism Pool (Single Button Spring Included) is a genuine Intex part. This replacement pool part will work with original parts. This horizontal beam has two "male" end (2.25"). Compatible with Intex Pool 26777CA, 26777EH, 26777W, 28963EH, 26791EH, 28317EH. This horizontal beam measures 43.25" L x 2.25" W