a guide rail splice sleeve device provides for adjustable housing , gripping , and connecting of sequential guide rails . the device includes an elongated central member , a first and second tension bar detachably connected to the central member at opposite ends thereof , and fastening elements for securely connecting the first and second tension bars independently to the central member . advantageously the central member and tension bars have integral flanges to aid in support of the guide rails . the independent connection of each tension bar to the central member permits sequential guide rail segments to be gripped or adjusted independently of the other . additionally , the sleeve may include a hand tightening device so that the fastening elements may be adjusted without the need for tools . also , the sleeve may include an extension for spanning any gap between non - abutting ends of adjacent guide rail segments connected by the sleeve .