Heavy-Duty Pruners for Cutting Thicker Stems Prune shrubs and roses with ease. The Spear and Jackson Razorsharp Pro Heavy-Duty Bypass Pruning Shears are designed for cutting thicker stems. The bypass (scissor) action is ideal for pruning green, living stems and shrubs. Drop-forged high-carbon steel blades with a sap groove to minimize the effects of sticky substances. Notched blade for cutting thicker stems. Strong yet lightweight forged aluminum handle coated in plastic. Adjustable blade tension for a more precise cut. 2-step catch provides a choice of cutting widths. Rubber shock absorbers for more comfortable use. 10-year guarantee. Maximum cut: 20mm (3/4"). Dimensions: 8.66" x 2.36". Weight: 0.6 lb. Crafted by a company that has been making garden tools since 1760. Blade Material: High Carbon Steel, Aluminum. Handle Material: Aluminum, Plastic, Rubber, Steel. Origin: Taiwan.