Specifications:
Size: 3/8"(9.5 mm) X 2.2" (55 mm).
Material: Stainless Steel
Color: Silver
Package Includes:
4 x Collet Wrench Key

Features:
The collet wrench keys Made of stainless steel, corrosion-resistant and rust-resistant.strong and durable, suitable for equipment installation, debugging, maintenance and overhaul.
The collet wrench, which is easier to use in a narrow space, enables you to contact fasteners in a tight gap, can perfectly fit all fasteners. With these wrench keys, you can fix a lot of breakdowns in your home.