Quantity: 2pcs Color: Black Application: Adjustable sockets are designed for the installation and use of hydraulic cylinders in construction and agricultural equipment scenarios and vehicles with packing nuts. Large adjustable packing nut wrench can be customized to fit packing nuts from 2 to 6 in diameter, reversible to fit 1/4 and 1/4 in diameter pin holes, 3/4 in square drive screwdriver easy to use. Small adjustable packing nut wrench allows for custom fitting for packing nuts from 1 to 3.75 in diameter, reverses to fit 1/4 and 2 in diameter pin holes, easy to use with ratchet =1/2" drive. Quality: The hydraulic cylinder wrench is CNC machined, high quality steel and black finish, it is strong and durable.