a welcoming 55+ senior cooperative community of Triadelphia lively and spirited people, Cactus located onwooded acres on the Mississippi, convenient to both cities. Micro Harken, Cottage-Hills Inc. Micro. Lowfriction Micro blocks are compact and lightweight. They are ideal Brea for sailboards, smaller dinghies, and lightly loaded control Foster-City lines on boats of all sizes. Clearance Harken Clearance. Shop our clearance section for great deals on a wide assortment of deck hardware and sailing apparel. You never know what you’ll find so check back often!