Largest collet 3/8" , smallest is 1/16"
chuck lengths 3-1/4" , 5" , 5-1/4" , and 6-3/4" long
3 Universal Eng Kwik Switch 80235 Acura FLEX
2 Extra Nuts , 1 has been turned down for clearance
all of these holders use the same NUT
minor surface rust that will not affect use