Designed for manhole and other confined space entry and retrieval applications. Constructed of lightweight materials including high-strength aluminum. Davit pivots for ease of rescue and has an adjustment feature for overhead clearnace restrictions. Lower base adjusts to fit most standard entries System comes equipped with 11 1/2″ to 27 1/2″ adjustable offset upper mast, 33″ lower mast 3-piece lightweight base and winch mount brackets. Winches and SRLs sold separately. Meets or exceeds all applicable OSHA regulationa dn ANSI regulations and ANSI standards.