1shot Dental X-ray Holders Designed for accurate and confident placement, 1shot is very simple to use for bite wings, anterior and posterior periapicals, and endodontic radiographs-even with reamers in place. 1shot is easy to place, and sensors can be adjusted up or down in the positive grips. Thin bite surfaces allow for proper occlusion. Fully autoclavable medical-grade plastic. Four horizontal and four vertical color-coded holders per pack, eight total.