Rotary Head Roller Levers: Operator Type - Limit Switch Roller Lever; Shaft Type - Non-Adjustable, Straight; Length- Radius Maximum - 4.00 in 101.6mm; Roller Type - Steel; Shaft Material - Steel; Roller Diameter - 1.25 in 31.7mm; Roller Width - 0.50 in 12.7mm; Manufacturer Series - EL