pliers
armstrong tools 069 21 964 1 7 16 inchid retainer ring
type o ring used with 21 016 thru 21 038 21 218 thru 21 238 21 420 thru 21 432 21 718 thru 21 719 48 019 thru 48 030 48 221 thru 48 230 48 719 thru 48 722 21 923 thru 21 953 hub diam 1 5 8 in inside diam 1 7 16 in sku orsno12769
armstrong