"GT122 BLUE MAX SQUEEGEE WITH HANDLE SIZE 3 TO 5 INCHES LONG; A FINISHING (INSTALLATION) SQUEEGEE AS A READY-TO-USE ASSEMBLY; USES BLUE MAX AUTO SQUEEGEE (GT117) AND UNGER PRO HANDLE; BLUE MAX HAS PRE-TRIMMED, ANGLED SIDES FOR MORE EFFECTIVE SQUEEGEEING INTO CORNERS AND ALONG TOP EDGES OF GLASS; NOTE THE ANGLED LEFT AND RIGHT SIDES OF GLASS; REPLACEMENT BLADES WILL NEED TO BE LIKEWISE CUT (AS IN GT117)"