The trend vjsag36 is an adjustable angle guide to allow grooving with the router or crosscutting with a circular saw it has an adjustable angle range from 25 to 155 and preset angle for 30 45 60 90 120 135 and 150 the router working length at 90 is 915mm 36 inch the circular saw working length at 90 is 780mm 30 34 inch it has an angle tolerance 02 with zeroing facility adjustable position alloy extrusion with scale and requires three clamps will accept accessory friction clamps ref