9048-300 Aluminium Block & Steel Try Square 300mm (12in)The Bahco 9048 300 Aluminium Block & Steel Try Square 300mm (12in) is a professional grade measuring and marking tool designed for high accuracy and durability. Manufactured in a traditional square shape with built in 90 and 45 angle guides, it is ideal for precise layout work in carpentry and joinery. The solid aluminium block ensures excellent stability, while the stainless steel blade delivers exceptional precision with an accuracy of 0. 1 100mm. A