Superior quality Russian made RTM Bowsprit steel sling swivel. This one is ultra lightweight (15 g, 0,52 oz) and low profile (12 mm, 0,47″ over the rail). Made from high quality steel, can withstand any abuse. Adapted for use with slings up to 25mm wide. Size is 29x10x20 mm (1,1″x0,39″x0,78″).