Specifications: Type:C20-ER20A-100L (C refers to the diameter of the stem.A = refers to the pressure cap is hexagonal, you need a special wrench.100L refers to the length of the pole, and not the total length) Extension rod is made of: 40CR, the black part is heat treated hardness 44-48HRC Diameter of Rod:20mm Rod Length:100mm ER20 clamping range: 13MM Nut Pitch: M25 * P1.5 nut diameter: 34 Instructions for use: 1: First clip caps into the nut, and then transferred directly tight, Benxi high, holding strong. 2: Straight shank-type extended handle, the handle body longer, apply deep processing, resolve to extend the depth of processing needs. 3: You can reduce the use of extension tools, which can reduce costs and improve efficiency. 4: extension rod diameter, and other parts have been precision grinding, can eliminate unbalanced traffic, increasing safety when cutting. Package Included: 1pcs C20-ER20A-100L ER extension rod
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