1. Adjustable gland nut wrench is a great product that has been proven to disassemble hydraulic cylinders used in a wide variety of heavy/light duty equipment. No more risking hand injuries from breaking stubborn gland nuts. Allows you to disassemble all hydraulic cylinders on equipment/box/vehicle to replace multiple static tools that can only be installed once. 2. Large adjustable gland nut wrench allows for custom fit for gland nuts from 2 to 6 diameters, reversible to fit 1/4 and 5/16 diameter pin holes and 3/4 diameter pin holes easy to use with square drive. 3. Small adjustable gland nut wrench provides a custom fit for gland nuts from 1 to 3-3/4 in diameter, reverses to fit 1/4 as well as 7/32 in diameter pinholes, easy to use ratchet with 1/2 screwdriver. Package includes: 1 x large adjustable compression nut wrench and 1 x small adjustable compression nut wrench. Note: 1. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.