Swanson Carpenters Speed Square Imperial 300mm Swanson 2 Piece Carpenters Speed Square Imperial Swanson Carpenters Speed Square Metric 250mm Draper Roofing Square - 180mm Faithfull Aluminium Roofing Square - 180mm Faithfull Prestige Quick Square Black Aluminium - 300mm Faithfull Aluminium Roofing Square - 300mm Stanley Adjustable Quick Square Faithfull Prestige Adjustable Quick Roofing Square - 180mm Swanson Carpenters Speed Square Imperial 180mm Sealey Speed Square Metric 180mm Faithfull Prestige Adjustable Quick Roofing Square - 300mm Stanley Dual Colour Quick Square - 180mm Faithfull Presitge Quick Square Black Aluminium - 180mm