MASTER PACKAGE for 12" CHUCKS with 3 SETS SOFT STEEL JAWS (1.5x60 deg. serrations) and 1 jaw boring ring - .827" (21mm) Groove Width

 Master Jaws & Boring Ring Package - 12" Chucks Master Standard Soft Top Jaws for 12" Chucks  3 Sets of 3 Soft Steel Jaws 1.5mm x 60 deg. Standard Serrations Groove Width: 21 mm / 0.827 in. Material: S45C Steel Dimensions :  See Illustration S-1 : 129 mm (5.08 in) Jaw Length S-2 : 48 mm (1.89 in) Jaw Width S-3 : 48 mm (1.89 in) Jaw Height S-4 : 21 mm (0.827 in) Groove Width S-5 : 5 mm (0.20 in)  Groove Depth S-6 : 28 mm (1.10 in) S-7 : 30 mm (1.18 in) S-8 : 60 mm (2.36 in) S-9 : M14 Serration Pitch : 1.5 x 60 Weight : 6.2 kg (13.67 lbs)      Master Jaw Boring Ring 12" JB Type The Master Jaw Boring Rings JB-type permits concentric soft jaw boring.  No need to look all over the shop for a setup piece to put in jaws wasting time. The Master Jaw Boring Ring is essential for soft jaw concentric boring. Features : Jaw Boring Rings 12"  Ideal for machining soft jaws. Attaches quickly without tools. Applies equal pressure on all jaws. Attaches to front of jaws, compensating for “jaw