PBC Linear PAC3016 Cam Follower, 1 3 8 in Roller Dia, Crowned, Zinc Plated Steel, Double Sealed 26033 Proto Tools' J96AS2 Drift Punch Proto Tools' J96AS2 Drift Punch Set will give you the power you need to get the job done right Cut sanding sheets and rolls (both sold separately) to size to fit these blocks Drive Location Stud ) 399 lb For Use With Hardened Crown Roller Rail Rolling Element Rows 1 Closure Double Sealed Features Hardened Crown Rollers Seal Material Nylon 6 6 Seal Type Contact Dynamic Radial Load Capacity 300 lbf Duty Type Standard Drive Type External Hex Static Radial Load Capacity 399 lbf Drive Location Stud System of Measurement Inch Roller Head Type Crowned Country of Origin China