Features: Hand grip handle with sponge meterial makes it carry, comfortable and shockproof. Stainless steel telescopic design with reinforced pressure groove firm, rust proof, durable for long use. The hollowing drum hammer can be freely telescopic to easily detect the wall. The max length is 1M. Sound Detection Home Inspection Hammer Freely Telescopic Hammers for House Decoration Inspection. Specifications: color:red Material: Sponge, Stainless steel Package Content : 1 x Sound Detection Hammer?Wide Range of Use ?-Suitable for traditional blackboard and electric whiteboard; Fit for teachers, guides, conference training, speech, explanation member, sales staff, etc. ?Won't Hurt Your Screen?-Top of the teaching pointer using the soft felt material, neither too hard nor too soft, and it won't hurt the screen. So you can use our teaching pointer stick with confidence. ?Easy to Carry?- Our teachers pointer’s constriction length is 8.94 inch, extension length is 39.4 inch, handle length is 8.5 inch, easy to carry and store. The size is suitable in the hand, feel comfortable. ?High Quality ?- Made of the Stainless Steel Pole & ABS Plastic Handle & White Soft Mushroom Felt NIB. Durable, portable, extendable, retractable, lasting not rust; Comfortable non-slip frosted handle, sturdy when fully opened, Not shaky; Tail Rope Hole Design, Comes with a black cotton lanyard, support portable or hang, easy to carry. ?Feature?-Pointer is professional telescopic electric whiteboard Teaching Pointer & Guide Flagpole, Work on Traditional Blackboard, Electric Whiteboard, PPT, Large Display Screen, It's a ideal pointer for school educational or training course instruction.