Machined 4mm thick frame made of air craft grade alloy, Extra Super Duralumin, installed with machine-cut titanium knob shafts, the Avail Power Handle T4S is the piece of craftsman-ships with sturdiness. All Daiwa and ABU 1500-6600 bait casters. Comes with retainer and screw. 100mm, 110mm. Best suitable for ABU6500CS Rocket. Accept Daiwa S, Shimano A, knobs