Aluminium End Caps Included.Tips: Don't tighten the SCREWS with too much strength. Please contact us for replacement if the screws went broken during installation. Knife Shape Ergonomic Design, Good Wrist Support, Anti Slip and Shock Absorb, Suitable for Long Time Cycling. Double Aluminum Alloy Rings Locking on Both Ends. Inner diameter=0.87", Length=5.2", Weight=3.2 oz/grip, Suitable for most of bike handlebars. NOTICE: They're too long if you have twist grip shifters or other gadgets already on your handlebars. Attention: Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding. The color may vary depending on the monitor, please understand. Attention: Hello, please pay attention to your shipping address when purchasing products. If your shipping information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly