Toolholder body is forged from the 40cr or 40Crmo steel, machining materials up to the hardness of 40HRc-44HRC. Convenient replacement fast servicing and improved toolrotation. Other parts: Bits Model: W6R, W6HR, W6ER, W6EHR, W5HR, W5ER, W4ER, W7ER, W7EHR, W8HER, W6R/22, W6SGR, W1-13, W1-10, HT2, HT3, HT11, HT11R, RZ05, RZ08, RZ07, RZ19, RZ20, RZ16, RZ24, RZ25, RP01, RP05, RP06, RP07, RP19, RP20, ...