Fobus Sig Sauer 239 Evolution Roto-Holster Belts can fit on up to a 1.75 inch belt. Roto-holsters are unique in that they can rotate 360 degrees for the best in comfort and retention. The holster systems employs a rearward or forward cant. The locking system developed by Fobus has 40 positions so you can fit it to your specifications. The retention adjustment screw allows you to select your level of adjustment. Customize this holster for your perfect fit and angle. Fits both .40 cal and .357.