What is the best tool to use when replacing a few shingles?

Roof Snake by PacTool

For nailing replacement shingles without damage to existing shingles. Allows nail setting and driving without lifting the shingle on row above much more than the height of the nail. Features a handy nail-puller handle.

Cordless Fiber Cement Siding Shear

NEW! SS504 Cordless Fiber Cement Siding Shear

Cuts fiber cement siding up to 5/16" with fast, lightweight, cordless convenience.
Comes complete with two 14.4v 3.0Ah Li-ion batteries, 40 minute fast-charger, and durable molded carrying case. No cord to trip you up!

Fiber Cement Quick Tip

When using pre-finished fiber cement board it works best to cut from the backside.

Snapper Shear/PacTool also has an easy to use siding gauge for both pre-finished and unfinished fiber cement siding.

Fiber Cement Cutting Tools

Create a Dust-Free Workplace with High-Performance Tools from PacTool.

Snapper Shears cut as fast as a saw, but without all the dust. This is the most economical way to cut fiber-cement siding, e.g., initial blade set will last for up to 20 average size homes. When compared to a fiber cement saw blade costing approx. $30 and will only last for one home; you will be able to save approx. $600. The Snapper Shear pays for itself!

The Snapper Shear Model SS404 is the most popular for making clean dust-free staight cuts and gentle arcs.