Even that it would please God to destroy me; that he would let loose his hand, and cut me off!

Wesley's Notes

6:9 Destroy - To end my days and calamities together.

Jamieson-Fausset-Brown Bible Commentary

9. destroy-literally, "grind" or "crush" (Isa 3:15).

let loose his hand-God had put forth His hand only so far as to wound the surface of Job's flesh (Job 1:12; 2:6); he wishes that hand to be let loose, so as to wound deeply and vitally.

cut me off-metaphor from a weaver cutting off the web, when finished, from the thrum fastening it to the loom (Isa 38:12).

Matthew Henry's Concise Commentary

6:8-13 Job had desired death as the happy end of his miseries. For this, Eliphaz had reproved him, but he asks for it again with more vehemence than before. It was very rash to speak thus of God destroying him. Who, for one hour, could endure the wrath of the Almighty, if he let loose his hand against him? Let us rather say with David, O spare me a little. Job grounds his comfort upon the testimony of his conscience, that he had been, in some degree, serviceable to the glory of God. Those who have grace in them, who have the evidence of it, and have it in exercise, have wisdom in them, which will be their help in the worst of times.