McMaster 97135A250 High Strength Steel Nylon Insert Locknut, Pack of 10, Grade 8, Zinc Yellow Chromate Plated, 1 2" 13 Thread 316 150 0800 Overall Width 2 15 16 in Overall Width 2 15 16 in 403 Number of Bumpers 0 Lock Body Material Brass Interchangeable Core No Number of Keys 2 Rekeyable No Number of Locks in Pack 1 Includes Dust Cover No Includes Lock Cover No Features Double Bolted Key Code Varies Security Level General Security Lock Type Keyed Padlock Key Locking Mechanism Pin Tumbler Lock Body Shape Rectangular Master Key Included No Environment Both Shackle Shape Rounded Lock Body Finish No Finish Master Key Code 403 Series 86 Series Key Retaining Yes Includes Chain No Master Key Mfr Part Number 90430 Lock Body Color Yellow Horizontal Shackle Clearance 55 64 in Includes ID Tag No Locking Mechanism Double Lever Locking Corrosion Resistant Yes Vertical Shackle Clearance 2 29 64 in these are the most commonly used locknuts High Strength Steel — Rated Grade 8