Best Seller | TONE Deep Socket (Hexagonal) 4S-13L-6S Drive 12.7mm (1/2 ) Width across flats 13mm 6 pieces [Features] Mechanical pencil for general writing with basic drafting performance;[Body color] Dark gray;�Core Diameter】0.5mm;[Size/Weight] Width 19mm x Depth 9mm x Length 139mm/13g;[Material] Metal part = brass iron rubber part = silicon NBR... more | | $48.84 FREE shipping go to store |