Feature:_x000D_ _x000D_ The product is made of high quality metal and has high hardness. It is suitable for long-term use and will not affect the accuracy of the work. _x000D_ Extended straight shank type handle, with longer handle body. _x000D_ Suitable for deep hole processing, to solve extend depth of processing need. _x000D_ For reducing the using of extended cutting tool, reduce the cost of processing, increase efficiency _x000D_ Various details of the product are carefully handled to ensure the stability and accuracy of the product. _x000D_ The extension rod diameter and other part all through precision grinding, eliminate unbalance, to increase security when cutting. _x000D_ _x000D_ Specification:_x000D_ Model: C16-ER11-35L_x000D_ Nut: ER11A_x000D_ Fuselage length: 40mm (including nuts)_x000D_ Body length: 35mm_x000D_ _x000D_ Shaft hole: 5mm; 6mm; 8mm (Optional) _x000D_ Model Total length(include nut) Length Trail hole External diameter of rod External diameter of hex nut _x000D_ C16-ERll-35L-5mm 40 35 4.98 16 19 _x000D_ C16-ERll-35L-6mm 40 35 5.98 16 19 _x000D_ C16-ERll-35L-8mm 40 35 7.98 16 19 _x000D_ _x000D_ _x000D_ Package list:_x000D_ 1 * Chuck Holder_x000D_ _x000D_ Note:_x000D_ The actual product color may deviate from the photo due to light._x000D_ There may be a slight deviation in the measurement of product.