Genuine OEM Replacement part # 1619X01364. Compatible with many Skil Power Tools. What's included: (1) - Skil Replacement Pistol Grip Handle (red) # 1619X01364. This part replaces obsolete part #: and 2610992564. Please refer to list below for compatibility. . Compatible with the following models: HD77M (F012HM7702) 7 1/4" Magnesium Worm Drive Skilsaw, SHD77M (F012SD7702) 7 1/4" Magnesium Worm Drive Skilsaw, SHD77M (F012SD7707) 7 1/4" Magnesium Worm Drive Skilsaw, HD77M-72 (F012HM7772) 7 1/4" Magnesium Worm Drive Skilsaw