ZSMX Square Drive Wrenches Lightweight High Power Wrench for Sockets or Allen-key Dual Pawl Mechanism-Heavy duty. 360 degree Reaction Arm-Easy to working in any position. One-way Ratchet-the only way to assure hands-free and multi-tool operation. Aviation material Body housing-Aluminum-Titaniumalloy and high strength steel. Anti-Rust Finish-Special surface treatment. Small Operating Radius. “Drop Hole” will protect over [...]