Expanded size: 52.5cmShrink size: 24cmStructure: spring mechanical resistance lockFeatures: All steel material, stainless steel pen buckle. Onebutton spring to open, hexagonal rubber handle, broken window tail vertebra.Alloy steel body (quenched and hardened, fine and durable)Broken window tail vertebra (double the strength of quenched alloy steel)Automatic spring stick (oneclick popup automatic retractable hidden broken window)Portable Pen Buckle (304 Stainless Steel)lockin safety designLock the swivel buckle when not in use to prevent accidental pressingOneclick solution of automatic spring stickOneclick popup, threesection swing stick automatically retracts, concealed broken window, onekey operationHand feel upgrade nonslip textureLeather texture handle, nonslip and comfortable, effectively increase friction, do not let goPacking list: 1 piece telescopic stick