General specification R4/20 R5/20 R6/20 R6M/20 R7/20 R1-C/20 R6/20 HD R6/20 HD-M R7/20 HS R7/20 HD R7/20 HD-L R8/20 HD RK/20 RX/20 RX/22 RS/22 HD RX/22 HD-R RX/25 HD FS/38 FS/38 HD FS/30 XT General specification of road and soil stabilization picks Recommendations for machine application RECOMMENDATIONS FOR SOIL APPLICATION