... , Y20, Y24, Y26, YH24, air-legged drills: YT24, YT27, YT28, YT29, 7655 Hand held and air-legged drills: Y19, Y20Y,YO18, Internal ... (YN27A), YN30APneumatic breakers: B87C, B67C, B70, B90Pneumatic pick: G6, G10 Rock drill YT27, YT28, YT29, 7655, B87C &B67C ,etc