Gedore 4550-20

Use:
Controlled screw tightening in the most widely used range of 1 - 850 N·m / 0.75 - 630 lbf·ft (guide for screws M3-6.9 to M24-8.8, M30-5.6)
Adjustable, releasing and sturdy tubular torque wrench with integrated ratchet and with square drive for industry and the trades
Features:
Classified as per DIN EN ISO 6789-2:2017 Type II Class A Type II Class A; adjusted to a maximum permissible +/-3% deviation and thus with a greater precision than the standard-stipulated +/-4% (4549-00 +/- 6%)
incl. traceable test certificate
For controlled bi-directional tightening
1/4", 3/8", 1/2" mushroom head square socket with ball lock. From 3/4" with square socket and pin retention
Sturdy, varnished tubular steel construction, with zinc-plated ratchet head and top-grade plastic parts
Ergonomically shaped, convenient black plastic handgrip with calibration aid
Dual scale N·m and lbf·ft below a window with a magnifying-glass effect
With micrometre scale for main N·m scale for setting interim values
Release system triggers a tactile and audible signal
Ergonomic system for torque adjustment