Exceeds Class 100 clean room standards. Special seals prevent contamination. External components are high-grade stainless steel to inhibit any form of corrosion. Special microfiltered internal lubricant. Aluminum handle sealed with PTFE impregnated anodized finish. Tamper-proof internal adjustment, Set and Forget operation.
Drive Size: 1/4" Female Hex
American: 4.4 - 36 lbf.in
The preferred and certified ranges of these tools is in accordance with the requirements of ISO 6789 (+/- 6% of indicated setting)
Still selling for $541 at Torque Tools in CA