VLS1111-XM LIMIT SWITCH BOXVALVE POSITION MONITOR(APL-SERIES) -Solid and flexible design Aluminum die-casting housing and powder coating. -Bolts on visual position indicator -Quick-set cam Spring loaded splined cam. No need to adjust again after initial setting. Easy setting without tool. -Dual cable entries -Captive cover bolts No worry to loose bolts while cover open. Spring loaded cover bolts(VLS SERIES) -Easy mounting bracket NAMUR standard stainless steel shaft and bracket.