Features and Benefits:

• Designed for 1/2" square drive ratchet or breaker bar
• The socket fits the slotted adjusting screw in tapered kingpins used on most Mack front axles (12,000 to 20,000 lbs.)
• Here is the socket that makes life a little easier for anyone who works on Mack trucks
• Mack truck king pin & thrust bearing service is made easier w/ this 1/2" drive socket.
• Precisely fits the slotted king pin adjusting screw on most Mack 12,000 - 20,000 lb. front axles w/ tapered king pins.

Here is a socket that makes life a little easier for anyone who works on Mack trucks. Designed for 1/2 in. square drive ratchet or breaker bar, the socket fits the slotted adjusting screw in tapered kingpins used on most Mack front axles (12,000 to 20,000 lbs.).