For mounting all rose (except 315... and 316...) fittings and
finger plates as well as for pre-drilling holes for protective
With drill sockets made of hardened steel and smooth-adjusting,
mobile slide for distances of 42 - 92 mm (BB/PZ)
and 50 - 100 mm (NR/FB...) complete with centring pins and
7 mm drill (contained in the gauge store).