Please contact with Mandy: digswordland@gmail.com The YT29A rock drill is the most strongest, powerful and highly efficient rock drill in the range. It gives improved productivity and drill steel economs and can be used on all rock formation and in all kinds of applications. Weight: 26 KG All length: 660MM Air consumption: d82L/S Drilling Frequency: e40HZ Air pipe inner Dia.: 25MM Water pipe inner Dia.: 13MM Drilling Hole Dia.: 34-42MM Drilling Depth: 5M Shank Size: 22*108mm Air pressure: 0.63Mpa FT160 Air leg: Weight: 17KG Length: 1800MM Pushing stroke: 1370MM FY200B Oil Reservior: Weight: 1KG Oil capacity: 200ML