Mounting Hole Spacing: 3.5 in. Chisel Diameter: 1.4 in. Working Flow: 2.6-7.9 gpm (10-30 L/min). Hydraulic Hose Length: 4.9 ft. Hydraulic Hose Size: M14×1.5. Mounting Screw Length: 6.3 in. Mounting Screw Diameter: 1 in. Net Weight: 176.4 lb. I deal for Your Mini Excavators : Specifically designed for mini excavators up to 2 tons, this hydraulic drill hammer seamlessly integrates, providing extra support to enhance your excavator’s performance across various tasks. Versatile Applications : With two 1.4-inch chisels, this mini excavator attachment easily handles drilling and breaking through concrete surfaces and challenging terrains, making it ideal for applications such as creating foundation holes, demolishing small structures, and excavating in tight spaces. Complete Attachment Kit : Everything you need for your breaking project is included in this attachment kit, from a hammer body and two chisels to hydraulic hoses, mounting screws, a nitrogen bottle, a charging kit, and a tool box for hassle-free installation. Built for Durability : Our hydraulic breaker hammer, built from durable structural steel with fewer moving parts, ensures minimal maintenance and lasting durability, even in demanding conditions.