The 1500-10 is designed to fit 10mm studs for Schaefer slides or competitors systems. Fits flat battens up to 15mm wide and 8mm thick or round battens up to 10mm in diameter. Adjustment range of 1-3/16" (30mm). Overall size 4-1/16" x 2-5/16" (103 x 59mm) Includes backing plate. Injection molded high strength uv treated plastic. Cover plate slides off for easy batten installation.