• It's important to havea clean block - especially in critical hard-to-get-at areas of the oiling system
• Each brush is designed for a specific purpose; there are two each ofthe oil gallery brushes since they get the most wear
• Can also be used on crankshaft oil holes, cylinder heads, etc; bristles are made of nylon which cleansas well as wire but does not scratch
• Set of 12 brushes

INCLUDES TWO of EACH:

• 1/4"diameter, 2" long brush, 10" handle
• 5/16" diameter,2-1/2" long brush, 12" handle
• 3/8" diameter, 2-1/2" long brush, 12" handle

INCLUDES ONE of EACH:

• 1/2"diameter, 2-1/2" long brush, 34" handle
• 5/8" diameter, 3" long brush, 34" handle
• 3/4" diameter, 3" long brush, 34" handle
• 7/8" diameter, 3" long brush, 12" handle
• 1-1/4" diameter, 4" long brush, 12" handle
• 5" diameter, 7"long brush, 18" handle