In each type the screw is locked to the sleeve by a sliding block, and to the swivel eye at its head by a bolt taking into a slotted plate, as illustrated in fig. 8-3.
Kudidi nalunye lweskrufu luvalwa kumkhono ngoku nakwibloko yokutshebeleza nakwikhonkco elinokujika-jika entlokweni yayo nqokuthathwa kwesidubuli esigqunyiweyo njengokuba ichazwa kumbaniso -8-3.