The high quality black polymer double magazine holder is designed to rotate 360 degrees. .The position is customized by adjusting the inclination using the supplied Allen wrench. With standard paddle. Maximum width (with paddle) 11.5 cm, maximum height 10.5 cm. Magazine holder for: Glock 17,19,22,23,26, 27, 31, 32, 33, 34, 35, 37, 38, 39. Gross weight: 150 grams.