Features of Streamlight TLR 1 & 2 Polymer Rail Locating Key Kit 69175: 5 polymer rail locating keys allow for the TLR weapon lights to be attached to a variety of firearms including GL – Glock style accessory rails SW – S&W 99, TSW 1913 – Mil Std 1913 (Picatinny) 90two – Beretta P320 – Sig each rail key is stamped for easy identification keys use common key screw and hex nuts includes 5 keys, 3 nuts, 1 hex screw, 1 lock washer, 1 hex wrench