Genuine, OEM Replacement Part Replacement blade clamp, part number 629984-00S Compatible with: D28715, D28715, D28715, D28715X, GR871, GR871 Measures approximately 2.10 X 2.10 X 1.75 inches Replacement for Black & Decker OEM Clamp part# 629984-00S. Compatible with: D28715, D28715, D28715, D28715X, GR871, GR871