SPI CMS161117003 Height Gage Accessories; For Use With: Single Beam Height Gages; Includes: #4 Locking Screw; #1 End Cap; #8 Battery Cover; #9 Window; #2+#7 Hand Wheel Set; Set Includes: #4 Locking Screw; #1 End Cap; #8 Battery Cover; #9 Window; #2+#