Cam Follower Closure Double Sealed Drive Type Hex Socket Duty Type Standard Face Design Hex Socket Overall Length 1 3/16 in Roller Diameter 5/8 in Roller Head Type Flat Roller Material Plastic Roller Width 7/16 in Rolling Element Rows 1 Stud Material Bearing Steel Stud Thread Size 1/4 In.-28 Stud Type Concentric System of Measurement Inch Bearing Type Bushing Drive Location Head