Safe T Fill® Capillary Blood Collection Tube, 10.8 x 46.6 mm, 200 µL, 1 Case of 500 Instruments Medium * Men 7 8 * Hip Kits Medium * Men 7 8 * Womens 8 9 * Black * The DARCO HeelWedge is clinically proven to off load pressure from the heel by shifting weight to the mid and forefoot to promote faster healing after surgery trauma or when wounds or ulcerations are present on the heel * Reduces Heel pressure by over 26% HCPC: L0625 * Crisscross style in front and back create firm compression yet flexible support * 9 wide in back 5 wide in front * Enclosed flexible stays to help prevent rolling * Closes with hook and loop * Hip Circumference 36 42 * Knee circumference 15 16 Attached cap is color coded to designate the type of additive that is in both the capillary tube and the microtube Gel separator serves as a barrier between blood and serum after centrifugation