The DONGCHENG HD092901 9 PCS Long Ball Point Hex Key Set combines the two features mechanics ask for most: a long arm for reach and a ball end for angled access. It is made for mechanics, technicians, machine maintenance teams, cyclists, and DIY users who work on bolts sitting deep inside housings, frames, and machinery where the key can't line up straight. The ball end turns a hex socket screw at an angle of up to about 25 degrees, and the extended arm reaches past brackets and panels with better leverage. The set covers the most common metric hex (Allen) sizes and comes in a compact holder for carrying and storage.
Key Features
9-piece set: covers common metric hex screw sizes from 1.5 mm to 10 mm
Long arm and ball point in one: deep reach plus angled access
Ball point ends: turn screws at an angle of up to about 25 degrees
Metric sizes: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm
Extra leverage: the long arm gives better turning force on tight bolts
Hardened steel: durable keys that resist rounding and wear
Black oxide finish: corrosion resistance and a clean look
Compact holder: keeps the keys organised and easy to carry
Trusted brand: made by DONGCHENG, known for professional-grade tools
What's in the Set
Piece
Size
1
1.5 mm
2
2 mm
3
2.5 mm
4
3 mm
5
4 mm
6
5 mm
7
6 mm
8
8 mm
9
10 mm
Application
Deep-set bolts in housings, frames, and machinery
Bolts behind brackets and under panels
Bicycle and motorcycle repair
Machinery and equipment maintenance
Appliance and electronics servicing
Automotive, workshop, and DIY use
Technical Specification
Specification
Detail
Brand
DONGCHENG
Model
HD092901
Product Type
Long Ball Point Hex Key Set (Allen Key Set)
Number of Pieces
9
Size Standard
Metric
Size Range
1.5 mm to 10 mm
Key Style
L-shaped, long arm, ball point end
Material
Chrome vanadium steel
Finish
Black oxide
Holder
Plastic folding/rack holder
Country of Origin
China
Packaging
Holder in blister/box
Safety Note:
Use the correct size key for the screw to avoid rounding the socket. Use the ball end for fast turning at an angle and the straight end for final tightening, since the ball end carries less torque. Do not extend the key with a pipe, and do not use it as a pry bar or hammer. Replace worn or bent keys.
