This is a replacement crank pin for the Agilent Varian TriScroll 300 dry scroll vacuum pump. The pump requires 3 pins. This listing is for the sale of 1 crank pin. This crank pin meets or exceeds OEM specifications. Three crank pins are included in the Triscroll 300 major repair kits we offer. We also carry minor repair kits for Triscroll 300 pumps as well as other kits and parts for all brands of vacuum pumps.