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 clearance restrictions. Lower base adjusts to fit most standard entries. The 5-piece hoist system comes equipped with 11 1/2″ to 27 1/2″ adjustable offset upper mast, 33″ lightweight lower mast, 3-piece lightweight base and winch mount brackets. Winches and SRLs sold separately. Optional mounting sleeves available. Internal adjustable tank collar comes with adjustable sleeve assembly that can be used on manways with a structure that unit may be secured onto, or with sleeve assemblies and masts for vertical entries. Meets or exceeds all applicable OSHA regulations and ANSI standards. Made in USA.