TINES DESIGNED W/ HEAT TREATED HOOK STYLE HEADS, ALSO W/INJECTION MOLDED PREMIUM NATURAL RUBBER. FOR HIGH QUALITY & LONG LIFEYOKE HEIGHT: 1-5/8''BOLT HOLE DIA: 3/8''TINE LENGTH BOTTOM OF YOKE: 10''TINE DIA.: 9/32''Vermeer: R-9, R-21, R-23, R-23A, R-24John Deere: 700, 705