Genuine Bosch clamp — part 1619P04828 (also listed as 1 619 P04 828) designed as a direct replacement clamping component for Bosch reciprocating saws. This small, precision-formed clamp secures the blade/holder assembly and clamping plate on models such as the GSA 1100 E and compatible PSA-series saws, restoring proper blade retention and reliable cutting under heavy vibration. Manufactured to Bosch tolerances and referenced as position 50 on the GSA 1100 E exploded diagram, it’s the exact replacement part for worn or damaged clamps that cause loose blades or difficult blade changes.