CRL CRL Grip Strip Tape is a unique, self-adhesive tape you apply to your CRL Straight Edges and L-Squares to keep them from slipping on your glass while cutting. It grips the glass but will not stick to it or leave messy residue. Reduce scratches and cutting mistakes. This good quality tape is quick and easy-to-apply, and comes on release paper rolls. An item that no glazier should be without. Tape measures 1/2" x 25' (12.7 mm x 7.6 m).