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Opti Mast Collar Gray (No Sleeve) The Optimist deck collar is made of Delrin to create minimal friction between the sleeve and the collar. The oval inner diameter allows the maximum fore/aft and minimum side play and the tapered inner diameter allows the mast to be raked. 4 countersunk mounting holes. The hole size in the deck is 57 mm. The EX1210 has a separate sleeve which is fitted around the mast at deck level and protects the mast from wearing. Optiparts part # EX12101 10375
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🇺🇸 Ship from USA · On Agora since 2025
$24.85