Wolfpack dowels with torx mu-xl screws 8 x 80 mm. -Terminal part in a conical shape to facilitate the penetration of the plug. -4 large wings along the initial part of the cue in the collar area with anti-rotation screw function. Collar with flange for perfect placement. -Part of the sawtooth expansion pin with special geometry and oblique connections that favor closure during the expansion of the plug. -Measurements: 8 x 80 mm.