Fangrui Product Details Fangrui Product Details [extension Function] - For Corner Space That Are Difficult To Reach By Ordinary Grinding Machine Or Polisher, By Using An Extended Shaft, Extra Clearance Can Be Provided To Polish These Areas Safely Without The Risk Of Hitting/damaging The Paint. [package Content] - The Package Includes 3pcs Angle Grinder Extension Rods In Different Length To Meet Your Different Working Needs, Including 75mm/3in, 100mm/4in And 140mm/5.5in. Thread Design Makes It Easy To Install And Remove. [seamless Docking] - The Precision M14 Thread Of The Angle Grinder Extension Connecting Rod The Makes The Installation Stable. With Polished Smooth, It Is Not Loose, And Not Easy To Slip. [ Material] - Angle Grinder Lengthened Connecting Rod Is Made Of Aluminium Alloy, Thickened And Elongated, Strong And . The Rotary Extension Shaft Can Be Used For Deep Grinding And Polishing Of Inner Corners And Special Shape Stones. [wide Application] - Angle Grinder Extension Shaft Is Widely Used For Polishing Lights, Door Handles, Signs, Internal C