INGCO AKDB1195 HSS twist drill bits set

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?

Material:Cr-V Size:3~6mm(1#),6~8mm(2#),8~11 mm(3#), 11~14mm(4#),14~18mm(5#)
Hardness:48~52HRC Coarse thread Packed by plastic box

12 Pcs 1/4″ socket set
10 Pcs 1/4″ sockets:5-6-7-8-9-10-11-
12-13-14mm
1 Pcs 1/4″ 72T quick release ratchet handle
1 Pcs 1/4″ 4″(100mm) extention bar Material:50BV30 High quality Cr-V steel
With three-color soft handle Heat treatment
Chromed plated