Bone Spreader Osteotome, BOC-42. Bone Spreader is designed for easy access in difficult area. This instrument is used to expand narrow alveolar bone for implant surgery. Using our Mallet and Bone Chisel, first make alveolar bone fracture and then use this spreader to expand the bone fracture. The oversize T-bar handle allows for easy handling and less effort. The diameter of working end is 4.2 mm. Product Code: BOC-42 • Exceptional Quality and Value priced hand instruments for dental, oral hygiene, surgical, veterinary, craft and hobby use. All products are made with the finest quality materials. • Our line of high quality dental instruments and precision tools are used in many applications including: Dentistry, Surgery, Veterinary , Scientific Laboratories, Forensic Lab, Industrial Companies, Crafts and by Hobbyists. • Choose from thousands of quality dental products from us. Send us an email if you have any questions about our products or have larger quantity or multiple items requirements.