Side Pin Tooth (PENETRATION ) Part Number 9J4309 Family J300 Standard Pin Part No. 9J2308 Standard Retainer Part No. 8E6259 Heavy Duty Pin Part No. 1324766 Heavy Duty Retainer Part No. 1495733 Pocket Size 30=3.0in Machine: CATERPILLAR 950,953B THRU 966, E180, 215, 235, 205 THRU 214, 315,320,322 IF YOU CAN'T FIND WHAT YOU ARE LOOKING FOR, PLEASE CONTACT US. PRICE AND PART NUMBERS ARE USED FOR REFERENCE PURPOSES ONLY.