BGS 70065 Cassette Lockring Wrench with Center Pin

for installation and removal of cassette and disc brake lockrings | suitable for Shimano, SRAM, SUN TOUR, etc. the center pin protects the wrench from jamming socket length: 30 mm | diameter center pin: 5 mm | material thickness: 4 mm | outside diameter: 23.5 mm | 12 teeth drive profile 1: internal sqaure | drive profile 1, inch: 1/2" | drive profile 1, metric: 12.5 mm | drive profile 2: external hexagon | drive profile size 2, metric: 21 mm length: 295 mm | height: 88 mm | handle material: polypropylene | material: carbon steel | surface finish: satin chrome plated, Weight: 0.7495716908 pounds, Manufacturer: BGS