Features: 1. Made of solidChrome-molybdenum steel material, durable in using.2. 4-pin socket spanner tool, each end has 4 pegs. 3. One side is 20mm inner diameter and another side is 24mm inner diameter. 4. A special and perfect replace tool. Specifications: Material: Chrome-molybdenum SteelColor: Black Total Length: 6cm / 2.36" Small End Inner Diameter: 20mm / 0.79" Small End Outer Diameter: 25.5mm / 1" Large End Inner Diameter: 24mm / 0.94" Large End Outer Diameter: 30mm / 1.18" Package Weight: 152g Fitment: --Replace special tool: # 07716-0020100, 07vma-mbb0100-101 --Removes lock nut: 90231-0231-028-000, 90231-200-010 --Also can be used for 14mm clutch lock nut on: crf50, xr200 1980-1984, xr200r 1984-1994, xr250l 1991-1994, xr250r 1986-1994, cl, ct,sl & xl models. --Removes 14mm Clutch Locknut on: Crf50, z50, xr50, atc70, c70, cl70, crf70, sl70, trx70,xl70, xr70, trx90. Package Included: 1 x Clutch Lock Nut Spanner Note: 1. Please compare your old part with the pictures if you are not sure if it will fit. 2. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. .