tactical adjustment aluminium alloy automatic selector switch for glock 17 18 19

size: 18.62(l) * 15.1 (w)* 14.2mm(h) weight: 13g / 0.4oz various styles,elegant shapes,fashionable patterns and so on excellent quality,reliable factory,selling well all over the world perfect appearance,such as the color,quality,properly colored on it beautiful amazing products.our award-winning to build long term business with you.syi