Side Gate Wet Mop Handle’s hinged side gate allows mop to easily slide on and off handle. * Rubbermaid® Invader® & Gripper® heads contain antimicrobial product protection, which inhibits the growth of bacteria that cause odors and stains. * Available in wood, vinyl-clad aluminum, lightweight aluminum or fiberglass in 54" (137.2 cm) and 60" (152.4 cm) lengths. * Invader® handle’s thumb wheel clamps the mop firmly in place and uses 1" (2.5 cm) headband mops only. * Gripper® handle uses 5" (12.7 cm) headband mops only.