Guide pin for improving stability and alignment during bottom bracket removal and installation with compatible Park Tool bottom bracket tools.Threads into the BBT-69.4 or BBT-169 lockring tools for a secure fitSized specifically for 12 mm thru axle hubs61 mm (2.4") usable pin length engages deep into the hub to prevent misalignmentIntegrated 5 mm hex fitting on the threaded end for tool-free hand installation and removalStabilizes the lockring tool during disc brake lockring removal and installation Park Tool Guide Pins for Park Tool Bottom Bracket Tools Bottom Bracket Tools UPC: 763477008756