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swanson tool co t0101 speed square
features five tools in one a tri square a miter square a protractor a line scriber and a saw guide the speed square is constructed of durable heavy gauge aluminum alloy includes markings for swansons one number method of rafter layout it is packaged with the swanson blue book of rafter length and roof construction matte finish to prevent glare dimension 8 77 x 16 91 x 8 62 in item weight 0 61 lbs sku orgl48384