Johnson 1956-1800 Metric Johnny Square Professional Easy-Read Aluminum Rafter Square, 18cm, Black, 1 Square 18cm Metric Fitting Clamps waterproof and dustproof housing for

waterproof and dustproof housing for durability and reliability

Features variable shade 1000FCF filter

tripod-mounted (sold separately)

3 1/4-inch x 3/4-inch Drive Socket - Designed for installation and removal of truck wheel bearing locknuts

batteries and charger are sold separately

Johnson 1956-1800 Metric Johnny Square Professional Easy-Read Aluminum Rafter Square, 18cm, Black, 1 Square 18cm Metric Fitting Clamps waterproof and dustproof housing forTo develop one of the world's best rafter squares, Johnson first had to engineer the EZ Read finish, its revolutionary anti glare protective coating that diffracts sunlight rather than reflecting it, so it looks as crisp in full sun as it does in the shade. The EZ Read finish also increases friction to better secure your square against your lumber when using it as a saw guide. The Johnny Square is highly durable and accurate. Its solid aluminum body