"For use with user made router tables, saw benches and band saws. Heavy duty with adjustable stops at -45 degree, 90 degree and +45 degree. Scale pitch of 5 degree. Protractor body 142 mm x 48 mm high with metal bar 351 mm x 18.9 mm. Spring loaded locator for 90 degree with 1 degree adjustable location centring scale. For use with 19 mm track extrusion.
Specifications: • Body width=142 mm • Body height=48 mm • Bar length=351 mm • Bar width=18.9 mm • Bar thickness=8.8 mm • Fits track=19 mm"