Overview Highlights Weight:37 grams or so Size:The largest outer diameter is about 54 mm Function introduction:It is installed on the interface of 18mm diameter and 1.5mm pitch to fix the drill bit,milling cutter and other tools. It is equipped with the tool of electric grinder and has How to use:Remove the electric grinder cap,install the speaker cover,and adjust the required height. Package includes:1 positioner + 6 milling cutters Key Attributes Dimensions (Length x Width x Height) 10cm x 5cm x 2cm weight 0.05kg Stock Location China Country of Origin China Brand SUNSKY Shipment Information Weight per item 0.05 kg Dimensions per item (LWH) 10 x 5 x 2 cm Carton weight 0.11 kg Carton dimensions (LWH) 10 x 10 x 5 cm Pieces per carton 3 Stock location China