Retractable Design: Easily detect walls with the freely retractable Stainless Steel Drum Hammer. Ideal for guides, blackboard presentations, and operating instructions. Sound Detection Function: Utilize the drum hammer for sound detection purposes in addition to guides and blackboard demonstrations. Enhance your operating efficiency with this versatile tool. Compact Dimensions: With an overall length of 98 cm (38.58 inches) and a folded length of 22 cm (7 inches), this telescopic pole offers portability without compromising functionality. Hollow Detection Capability: The thickened telescopic pole features a hollow detection hammer for precise wall analysis. Tap gently to determine wall hollows accurately and efficiently. Stable Construction: Experience stability and reliability with all parts tightly connected, ensuring a secure grip without any unnecessary shaking during use. Item Name: Drum Hammer Material: Stainless Steel Application Scenarios: Indoor Outdoor Features: Retractable Design, Sound Detection Function, Hollow Detection Capability Size Details: Total Length: 98cm/38.61" (Approx.) Foldable Length: 22cm/8.67" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Drum Hammer