... :0.1g-6kg Product Name:Long handle Sleeve(1)Material: Cast Iron,Plastic,Bakelite(2) Type: Bakelite Handwheel,Double Spoked Handwheel,Inner Corrugation ... , threading, grinding machinesGB/4141.14-84(JB1342-73) dLM532M636M840M1050M1260M1670M2080 Long handle Sleeve