Bianchi Accumold Black Holster 7120 Defender (Size 12 S&W TSW4006 5906) Reinforced thumb snap closure Internal Tension Strips enhance gun retention Bianchi's Pinch Retention Device (PRD) enhances retention by gripping the pistol's trigger guard Unique Coptex lining that helps protect gun finish and allows smooth draw Metal reinforced 2.25" (58mm) jacket slot belt loop, curved for comfort