【50MM Crankshaft Pulley Removal Tool 】– Used to maintain the harmonic damper pulley position while removing/installing the pulley bolt on many Acura and Honda engine.Using 50MM Crankshaft Pulley Removal Tool — Use with square socket driver. >1/2″ square drive use with breaker bar. Hole in center of tool – allows access to removal of crank shaft bolt.【19 MM Harmonic Balancer Socket 】–The hex socket is used with an impact wrench to loosen the crankshaft bolt It can be used on Honda engines that use a 19mm hex pulley damper bolt or other 19mm applicationsUsing 19MM Harmonic Balancer Socket — Use with 1/2″ drive.Designed with more than three times the standard socket mass to direct more energy to removing the bolt.Satisfaction Guarantee: If you’re not 100% satisfied with this tool set, simply return it for a full refund in 30 days, guarantee with 12 months’ warranty. 19 MM Harmonic Balancer SocketOAL 89mm, 1/2″ square drive;The socket is for REMOVING the crank bolt with an impact wrench.Can be used on Honda engines that use a 19mm hex pulley damper bolt or other 19mm applications.Inside hexagonal socket design, anti-skid, and impact-resistantMade of High Standard Quality of GB 40CR Alloy Steel.Provide more energy to remove the bolt for design with more than 3 times the standard socket mass to direct.In operation with the use of a 1/2” breaker bar or ratchet, this tool holds the harmonic damper pulley from rotating when removing the pulley bolt.50mm Crank Pulley Wrench HolderThis tool is used to position the crankshaft for proper timing location, always rotating the crankshaft counterclockwise. It is also used to hold the crankshaft still while final torquing the crankshaft balancer bolt. You can’t torque that bolt properly without holding the crankshaft still, and this tool is for that purpose.Designed with a 4″ Offset for Holding the Damper when Removing and Installing the Crank Bolt on Many Honda and Acura Engines.Designed with a 50mm outer hex and large center opening to fit impact sockets.There is a hole in the center of the tool to allow the use of a socket and extension bar to break loose or tighten the pulley bolt.Widely applicationAcura CL 2.2L 4 cyl (1997) ;3.0L V-6(1997–1998 ); 2.3L 4 cyl (1998–1999 ); 3.2L V-6 (newer -2000) Integra 1.6L 4 cyl (1990–1992 );1.7L 4 cyl (1992–1993 );1.8L 4 cyl (1993+); Legend 3.2L V-6 (1991–1995); RL 3.5L V-6 ( 1996+ ); TL 3.2L V-6 (1995+)ACCORD: 2.2L 4 Cyl (1990-1997) 2.7L 6 Cyl (1996-1996) 2.3L 4 Cyl (1998-2002) 2.4L 4 Cyl (2003+) 3.0L V6 (1998+)CIVIC: 1.6 L 4 Cyl (92-00) 1.7 L 4 Cyl (01+) 2.0 L 4 Cyl (03+) ; S2000: 2.0 L 4 Cyl (00-03) 2.2 L 4 Cyl (04+)PILOT: 3.5 L V6 (03+) ; RIDGELINE: 3.5 L V6 (06+); INSIGHT: 1.0 L 3 Cyl (all)CL: 2.2 L 4 Cyl (97) 2.3 L 4 Cyl (98-99) 3.0 L 4 Cyl (98+); RL: 3.5 L V6 (96-newer)ODYSEY: 2.2 L 4 Cyl (95-97) 2.3 L 4 Cyl (98) 3.5 L V6 (99+)CR-V: 2.0 L 4 Cyl (97-01) 2.4 L 4 Cyl (02+); ELEMENT: 2.4 L 4 Cyl (03+)PRELUDE: 2.2 L 4 Cyl (92-01) 2.3 L 4 Cyl (92-96); DELSOL: 4 Cyl (93-97)INTEGRA: 1.6 L 4 Cyl (90-92) 1.7 L 4 Cyl (92-93) 1.8 L 4 Cyl (93-01); TL: 3.2 L V6 (95+)NSX: 3.0 L V6 (91+) -Does not fit all engine 3.2 L V6 (98+)