These Ty-Rap® special cable ties have an identification tag and locking stainless steel barb. Four versions (those up to 3 straps) are Mil-specified: MS-3368-2, TY48M 812-5687 1000-off, TY548M 812-5696 100-off, MS-3368-1, TY46M 812-5699 1000-off, TY546M 8