- Durable Alloy Steel Construction: Made from alloy steel for strength and durability.
- Fixed Square Head Design: Features a fixed square head for tightening and loosening bolts.
- Powder Coated Finish: Resists rust and corrosion with a durable powder coated finish.
- Mechanical Operation: Uses mechanical operation for precision tightening and loosening.
- Single Wrench Set: Includes a base wrench and a cylinder wrench for Lycoming O-235, O-290, O-320, O-360 and O-435 engines.
Set of two (2) allen-type (internal hex) wrenches specifically designed to install and remove Lycoming cylinder base bolts. Sizes are 1/2" and 3/8" and both have a 1/2" square drive. Made of drop-forged 4130 steel and hardened to 48 Rockwell.
