Delta Ashlyn Brilliance Stainless Steel Wall Mount Towel Ring Battery Push Mowers A: They are coarse thread hex Specification Details Material Ceramic A: They are coarse thread hex bolts with a partially threaded shank Item Weight 56 Start Type Recoil Start Engine Displacement (cc) 160 Engine Make Honda Reconditioned New Engine Type 4 Cycle Vertical Commercial Residential Residential Included Detergent tank so you can enjoy a look you love for life Crafted from zinc die cast to ensure long lasting durability Perfect for hand towels for easy access near the sink Complete your look with other Ashlyn bath accessories (sold separately) Features set screw mounting system for added durability Included mounting template and hardware takes the guesswork out of installation Perfectly matches the Delta Ashlyn faucet long lasting finish to help prevent corrosion