Pro-Tech Outdoors Single Sided Shoulder Holster Fits Smith & Wesson M&p Sigma 9mm 40 V Side Holster Glock 17,19,22,31,33,23,32,25,38. Beretta Storm Px4, Type F : 9mm.40 Fits right or left hand. Has plastic adjustable spring action thumb break. Stitched with strong bonded nylon and double stitched Edges turned under to prevent fraying. all velcro is hidden by webbing to prevent foreign debris. Has single sided shoulder pad.