Sklar TC Toledo Micro Needle Holder 5 1 2", Curved, Smooth, with Catch 98 9301 Type_Diagnostic Set Accessories Part Number Configuration Size Weight Configuration:27 Ga x 3½ in (90 mm) Part Number Configuration Size Weight #8000 3 26 Standard 26" (Width) x 3" (Thick) 20 lb #8000 3 30 Standard 30" (Width) x 3" (Thick) 20 lb #8000 26 4 Standard 26" (Width) x 4" (Thick) 20 lb #8000 30 4 Standard 30" (Width) x 4" (Thick) 20 lb #8000 26 4 UC Ultra Comfort 26" (Width) x 4" (Thick) 25 lb #8000 30 4 UC Ultra Comfort 30" (Width) x 4" (Thick) 25 lb #8000 26 5 UC Ultra Comfort 26" (Width) x 5" (Thick) 25 lb #8000 30 5 UC Ultra Comfort 30" (Width) x 5" (Thick) 25 lb Note: Custom sizes are available This product is slightly curved with smooth tips and an overall length of 2 3 4 inches There is a catch mechansim and the overall length is 5 1 2 inches Tungsten Carbide inserts provide a secure grip on the needle