Astronomical telescope V-type lightweight platform board multifunctional dovetail board lightweight design 21CM S8102

S8102
Length: 215mm
Middle groove: 6.2mm, with 8mm screw hole
Weight: 195g, lightweight design
Distance between two side slots: 20MM
Two side groove length: 60mm
Two side screw holes: M8, 3/8 inches
Platform board width: 50mm
Height: pigeon tail height: 15mm, platform plate thickness: 4MM, total: 19mm