INGCO AKD1075 7Pcs HSS twist drill bits set

Shank: 1/4″ hex
1 Pcs 2″ soft bristle brush
1 Pcs 3.5″ soft bristle brush
1 Pcs 3.5″ medium bristle brush
1 Pcs 360 degree medium bristle brush
1 Pcs 360 degree abrasive bristle brush
1 Pcs 6″ extension holder
2 Pcs 3.5″ scour pads
2 Pcs 3.5″ sponges 1 Pcs backer pad Packed by color box

Viewing area:92?42mm Cartridge size:110?90?9mm Arc sensor:2
Optical class:1/1/1/2 Light state: DIN 4
Dark state: variable shade, 9 ~13 Shade control: external, variable Power ON/OFF: fully automatic Sensitivity control: auto
UV/IR protection: DIN 16
Power supply: solar cells+2*CR2032 lithium batteries
Switching time:1/15000s,from light to dark
Dark to light(Delay): 0.1-1.0 auto
Low amperage TIG:?10amps(DC),
?10amps(AC) Grinding function :yes Low volume alarm:yes
Operating tep:-5?~+55? Storing tep:-20?~+70?

Voltage: 20V
No-load speed: 5000-20000rpm Oscillation angle: 3.2?
6 speed adjustment
Include:
1 Pcs flexible scraper
1 Pcs cutting saw blade 1 Pcs segment saw blade 1 Pcs Hex key
1 Pcs sanding base 3 Pcs sanding paper