1/2" Drive Locking Extension Bar Set, 4 Piece,3", 5", 10", 15"
- 1/2"DR. LOCK EXTENSION BAR : 3"，5"，10"，15"
- Tien-i Unique Design, locking pull-down ring allows you to release and lock sockets securely
- Resists a socket pull-off load, prevents accidental socket loss, instantly unlocks by retracting the knurled ring.
- Great for tight area where you may normally lose a socket
- Various lengths offered, From 50mm (2") to 915mm (35")
- Tien-i Socket Accessory made in Taiwan, from forged and heat treated Chrome Vanadium steel (Cr-V) with chrome plated for corrosion resistance and long service life.
- Tien-i Socket Accessory meets or exceeds ANSI & DIN & ISO performance standards
BMC Case Selection & Case Color
Tool kits or socket sets come in two types of cases: metal or plastic. Each market has its own preference. The tools are firmly gripped in the case. The durability of plastic or alloy metal lock. The connection between the upper and lower parts of the case.
High Torque Strength
Meets at least 1.2 times the ANSI test torque standard. Verified by a single cycle test in which torque is applied up to a specified value without failure or permanent deformation.
Permanently roller stamp. Large on curved face of the socket.
From polish to mat, from dark to gray, and color also will be option for every product manager and designer.
Groove or Color Ring and knurled base section, giving the sockets distinctive appearance and handy feeling.
Tien-I is a member of China Steel Corporation (CSC), the leading steel company in Taiwan.