electric router:easy to adjust and use. electric router1200w11500-30000 rpmDia of collet: 8mmCase qty: 4 pcsG.W./N.W.:18/16 kgsPacking size: 66x31x28 cmPcs/Container(20'): 1900 pcsthey have got GS,CE,EMC approved, and gained good repution in market.There are more different models. power tools: electric router