Valmiki Ramayana Kishkindha Kanda Sarga 16 Shloka 23
Original Shlokaसुग्रीवेण तु निस्सङ्गं सालमुत्पाट्य तेजसा। गात्रेष्वभिहतो वाली वज्रेणेव महागिरिः4.16.23।।
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सुग्रीवेण तु by Sugriva also, तेजसा with vigour, निस्सङ्गम् pulled out, सालम् sala tree, उत्पाट्य uprooted, वज्रेण with the thunderbolt, महागिरिः इव like a huge mountain, गात्रेषु on the body, अभिहतः struck.
With all his vigour, Sugriva uprooted a sala tree, pulled it out and struck Vali on the body, like a thunderbolt striking a huge mountain.