Features: These are HIGH Quality Carbon Brushes made from Fuji Japan Carbon just like Makita and made from HIGH grade Copper contacts. 100% Money Back Guarantee if your not happy, but my feedback and sales figures speak for themselves. These are a pair of high quality compatible OEM Makita Carbon Brushes for the following models: SDS+ Hammer Drills HM0860C HM1100C HM1130 HR3000C HR4000C Size: 5mm x 11mm x 17mm If you require BULK PURCHASES for any of my Carbon brushes then please message via ebay. PLEASE ENSURE YOU CHECK YOUR MAKITA MACHINE CORRECTLY BEFORE PURCHASING, IF YOU ARE UNSURE THEM PLEASE CONTACT ME THROUGH EBAY MESSAGING.