tape to the wall Remove remaining Liner and complete adhesion. REFINED ENGINEERED SAFETY GRAB BAR WINGIT INSTALLATION GUIDE 3. Using the Tape as a template, Drill out two 3/4” holes. For a fast, easy installation, use the Apache200 Drill Bit—rated @ 200 holes in ceramic wall tile. WingIts’ Residential Grab Bar Fastening Systems Meet Building 1.