Features:
1. The products are made of CR-V alloy steel and are processed with heat treatment so as to enhance their hardness and torsion ability.
2. Easier to be plugged into screw cap with chamfered end.
3. Nickle plated surface with antirust function.

Specifications:
Size: 1.5; 2; 2.5; 3; 4; 5; 6; 8; & 10mm
Length of short arms: 13.5， 15.5， 17.5， 19， 24， 27， 31， 35， 39mm
Length of long arms: 77， 82， 88.5， 98.5， 104， 116， 138， 157.5， 167mm
Material: CR-V alloy steel
Hardness: HRC.50-57
Package Size: 27 * 10 * 2cm / 10.6 * 4 * 0.8in
Package Weight: 369g / 13oz

Package List:
1 * HBG-009Q 9 PCS Durable Long Arm Ball Point End Hex Key Set 1.5-10mm Hardware Wrench Tool