The throat clamp is composed of a 10 mm wide, 1.0 mm thick stainless steel band and a fastening buckle. It can secure accessories such as electric heating tape junction boxes to pipelines. The steel band can be cut to the required length according to the pipe diameter. During installation, the fastening buckle is adjusted to secure the junction box or other accessories to the pipeline. The length of each loop of the steel band is 1.1 to 1.2 times the outer circumference of the pipeline being secured.