Sliding saddle for screens and pointers for heat expansion

For stable positioning of components for optics, mechanics or thermometry on NTL special rail profile;
Special rail profile developed by NTL, very thick-walled and robust, easy and quick to fix, lateral screw for fixing the rider itself, top side with hole and slot with fixing screw, for holding round rods, screens or scales as well as two small holes for holding the pointers for linear expansion,
all screws with rounded threaded ends - ensure optimum hold, line marking on the side
Dimensions: 30 x 54 x 31 mm (without screw caps)
Mass: approx. 53 g