ProGrade™ Home Safety Designed & Developed with Professionals The ProGrade™ Flat Screen TV Lock from Safety 1st® secures your free standing flat screen TV so it doesn t topple over on your little ones! Locking bar extends 6"-20" and pivots left to right for perfect viewing. Prevents TV from moving forward or backward. Attaches to existing VESA mount holes on back of TV. Fits most 32"-60" flat screen TVs 544-1108.