770A - GRADER, MOTOR BLADES, TEETH, SHANKS 4201 Parts group BLADES, TEETH, SHANKS 4201 BLADES, TEETH, SHANKS 4201 . SCARIFIER TEETH AND SHANKS [04J03] RIPPER TEETH AND SHANKS [04J04] BLADE (REQUIRES HEAVY DUTY SCARIFIER FRAME) [04J05] TIPS AND SHANKS [04J06] SCARIFIER [04J07]