This is a Techna Clip Belt Clip, model LCPBL.
Techna Clips gives you another option for concealed carry. The Techna Clip is a heat treated spring steel waistband/belt clip that installs easily on your pistol and permits carry without the added bulk of a holster. It is light weight and allows for a fast draw. No gunsmithing is required to install. Each Techna Clip comes with a small metal post and screw that replaces an existing pin on the gun.
Features:
Easy installation
No permanent modification of firearm
Installs on left side for left hand users
Includes post and screw to replace existing pin
Fits Ruger LCP