Rotary Head Roller Levers: Operator Type - Limit Switch Roller Lever; Shaft Type - Non-Adjustable, Straight; Length- Radius Maximum - 3.00 in 76.2mm; Roller Type - Nylon; Roller Diameter - 0.87 in 22.2mm; Roller Width - 0.28 in 7.1mm; Manufacturer Series - EL