Foto&Tech 2 In 1 Hot Shoe Hotshoe Cover With Bubble Spirit Level for Canon Nikon Panasonic Fujifilm Olympus Pentax Sigma DSLR/SLR/EVIL Camera (Hot Shoe Cover with LEVEL) Innovative circular design takes up less space than blocky 2- or 3-axis levels Protect your hot shoe from getting bent or damaged, help to keep moisture and dust from the hot shoe Slides into your hot shoe, remains unobtrusive Fits securely over the hot shoe Rubberized surface for better handling, fits most cameras