Howard Tools. Helping roofing contractors keep costs down, the maker has introduced the Shingle Shear Model 2900, which will retail for less than 50% of most other available models. The Shingle Shear cutting assembly can be mounted to a 16-by-40-foot plywood table provided by the roofer. All other necessary components and hardware are included. The end result is a Shingle Shear with all the same features, quality, and convenience at half the price, the maker says. 607.775.2200.