The Defender II offers long lasting durability under the most brutal conditions. For enhanced retention, Bianchi has incorporated the Pinch Retention Device (PRD), which grips the pistol's trigger guard, holding the gun securely in place. Made with patented AccuMold Trilaminate construction. It has a steel reinforced thumb snap and internal retention Tension Strips to enhance gun retention. Abrasion resistant DuraSkin finish. Features: Top draw holster with standard ride, closed muzzle design and abrasion resistant Duraskin finish Steel reinforced thumb snap Pinch Retention Device enhances retention by gripping the pistol's trigger guard Internal Tension Strips enhance gun retention Metal reinforced jacket slot belt loop, curved for comfort User adjustable Tension Bars on belt loop help keep holster securely in place on belt Size 16 Fits: H&K USP .40/.45