【Materials】 Made of premium Aluminum Oxide,more durable and wear resistance,longer service life on the toughest polishing/grinding/sharpening jobs 【Easy to use】 1/4" (6.35 mm) hex shank fits most rotary tools,including impact and regular driver drill,die grinders and hand drills,etc.,meet your different tool needs 【Feature】 Various shapes and multiple sizes design,meet your different needs, suitable for curved,flat and slotted surfaces polishing,deburring,rust remover,sanding and filing,perfect for tight spaces for versatile grinding and shaping needs 【Widely used】 Great for many different grinding applications including debuting inside pipes/surfaces. Repair a latch on door,filing down some stainless steel,grinding striker plate,chamfer the edge of a paver stone 【Application】 For buffing out rust - cleaning rust on old truck; Sharpening kitchen knives,lawn mower blades,shovels, trowels, etc.; For some of the groved shapes this was a huge time saver,like sand inside corners; Drill something hard things: enlarge some holes in a metal bracket/on stucco widen a hole/cut round holes in hard plastic 【Package Content】 10 Pcs 1/4" Hex Shank Mounted Grinding Stones(Bullet shape 10/16/20/25 mm + Cylindrical shape 10/16/20/25 mm + T shape 25/30 mm) Materials: Made of premium Aluminum Oxide,more durable and wear resistance,longer service life on the toughest polishing/grinding/sharpening jobs

Easy to use: 1/4" (6.35 mm) hex shank fits most rotary tools,including impact and regular driver drill,die grinders and hand drills,etc.,meet your different tool needs

Feature: Various shapes and multiple sizes design,meet your different needs,perfect for curved,flat and slotted surfaces polishing,deburring,rust remover,sanding and filing,fits for versatile grinding and shaping needs

Widely used: Great for many different grinding applications including debuting inside pipes/surfaces. Repair a latch on door,filing down some stainless steel,grinding striker plate,chamfer the edge of a paver stone

Application:
For buffing out rust - cleaning rust on old truck;
Sharpening kitchen knives,lawn mower blades,shovels, trowels, etc.;
For some of the groved shapes this was a huge time saver,like sand inside corners;
Drill something hard things: enlarge some holes in a metal bracket/on stucco widen a hole/cut round holes in hard plastic

【Package Content】: 10 Pcs 1/4" Hex Shank Mounted Grinding Stones(Bullet shape 10/16/20/25 mm + Cylindrical shape 10/16/20/25 mm + T shape 25/30 mm)