[Features] ● Semi-deep thin type. ●Ambac system is used to prevent pins from popping out during use. ● Uses power fit to prevent licking of bolts and nuts. ●It is a semi-deep thin type that plays an intermediate role between STANDARD and deep. ●By adopting a new ring, it is easy to attach the pin and ring. -In addition to engraving, easy-to-read size indication is given.