SINGLE GRIPPER STRAP. #SGS-1. The Single Gripper Strap is an individual nylon strap, which is best used in a series of four. These straps consist of stainless steel buckles, which can be operated in the dark with gloves on. The black 2” webbing is rated at 3,000-pounds and treated to prevent mold or mildew. This comes in a set of 4, the length is expandable from 14”- 42”, and the weight per set is 21 oz.