SeaStar - Capilano Helm HH5275 - 1275V 2.7-5.4 cu. in. 3/4 inch taper shaftFor extra heavy duty/commercial vessels, SeaStar's Capilano steering system offers extremely rugged and reliable 'variable flow' rear-mount helms and heavy duty brass cylinders with stainless steel and bronze mounting hardware. Suitable for single or dual inboards, 30-55' vessels ; Suitable for dual helm use with purchase of extra helm components ;