COMPATIBILITY: For installing and removing of 4-notches freewheels from BMX and Single Speed.
15/16" SPANNER: Use with 24mm, 15/16'' wrench spanner, Weight: 76g=0.16lbs.
QUALITY: Made of quality hardened steel.
PERFECT MATCH: Precisely machined to match the freewheel cup. Will not damage the freewheel.