Electric Drill Angle Grinder extension connecting rod adapter set turns your electric drill from a simple punching tool into a multi-functional grinding machine tool. You can cut drywall, wood, metal, plastic, deburring, polishing, grinding, rust removal, and waxing. (Need to self-purchase grinding plate). USE NOTE: Since kits is used in high speed motor or tools, please securely connect the tool accessories. Prevent accidents. Please make sure there is no gap between the saw blade chuck and drill chuck and the spindle and tighten the nut before working. Installation sequence: 1/5"-3/8" Shaft Connecting Rod, 3/8" Thread Drill Chuck, 3/8"-3/8" Triangular Shaft Converter, Grinder Wheel Disc Adapter. (can be used separately) Specification: Product Name: Electric Drill Agnle Grinder Adapter SetMaterial: Carbon Steel ---- 1/5"-3/8" Shaft Coupler: 16 x 33mm / 0.63" x 1.30" (Dia. *L)Drill Chuck: 34 x 60mm / 1.34" x 2.36" (Dia. *L)3/8" Triangular Shaft Connector: 15 x 52mm / 0.59" x2.05" (Dia. *L) ---- For disk Arbor Hole Dia. : 10mm / 3/8"Disk Holder Size: 30 x 6mm / 1.18" x 0.24" (Dia. *TH)Pin Wrench Size: 114 x 32 x 12mm / 4.49" x 1.3" x 0.47" (L*W*H)Open Ended Wrench Size: 117 x 32 x 2mm / 4.61" x 1.3" x 0.08" (L*W*T)Pin Center Distance: 20mm / 0.8"; Open End Width: 14mm / 0.55" Package Content: 1 x 1/5" to 3/8" Shaft Coupler with Screws1 x Drill Chuck with a Key1 x 3/8"-3/8" Triangular Shaft Connector Connecting Rod2 x Angle Grinder Flange Nuts(Disk Holder)2 x Spanner1 x 2.5mm Hex Key 4S 5A Active Balancer 4S 1.2A Active Balancer 8 Pieces Battery Post Shims Caps Adapter DC Motor 12V-24V 6000-12000RPM 775 Electric Motor Kits DM18M-Apt Mini 3 Keys Macro Mechanical Keypad RGB Game Keyboard Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.3 out of 5 stars 175 4.1 out of 5 stars 112 4.4 out of 5 stars 106 4.8 out of 5 stars 20 4.5 out of 5 stars 221 3.2 out of 5 stars 4 Price $18.59$18.59 $9.99$9.99 $9.99$9.99 $20.59$20.59 $15.99$15.99 $14.59$14.59 Application 3S-4S 5A Li-ion Lipo Lifepo4 LFP Battery Active Balancer Capacitor Balance 4S 1.2A Li-ion Lipo Lifepo4 LFP Battery Active Balancer Inductive Balance 8 Pieces Battery Post Shims Caps Adapter DC Motor 12V-24V 6000-12000RPM 775 Electric Motor Kits USB Battery Adapter Apply to for Makita 18V Tools, Compatible with Dewalt&Milwaukee Battery Convert to for Makita 18V Battery Converter 3 Keys Macro Mechanical Keypad RGB Game Keyboard