Crocket Hooks help prevent rubber from climbing the prop shaft and make it easier to transfer the wound motor from the winder to the prop shaft. CHOOSE from THESE SIZES Small - Approximately 1/2" long, can accommodate rubber up to 1/8" wide. Medium - Approximately 3/4" long, can accommodate rubber up to 3/16" wide. Large - Approximately 1" long, can accommodate several loops of rubber up to 1/4" wide. Giant - Approximately 1" long, can accommodate several loops of rubber up to 1/4" wide.
