Designed to use with all rotary transducers Features: Shroud and base plate included Dowling dimensions: 4 mounting holes of 8.3 mm dia on 80 mm pitch circle dia Nut setter/socket not included Specifications: Model No: CAL-518-0-28-0-0 Classification - in: 1/4 Nut Size - mm: 13 Torque Range - ft-lbs: 20 Torque Range - Nm: 28