Dies and inserts and jaws for wellhead tongs/slips The manual tong dies and slip inserts are made of high-quality alloy steel. They are chemically heart-treated for surface hardness. They are wear-resisting and corrosion-resisting and they have a long service life. We can also design and manufacture special inserts according to customer's requirement. Technique Parameter: Use for product Pipe size (in) Rotary Slips 2 3/8" - 5 1/2" 3 1/2" - 7" Rotary Slips 3 1/2" - 7" W3 1/2-75 (125) Rotary Slips 2 3/8", 2 7/8", 3 1/2" 5-75 (125,200) Rotary Slips 4", 4 1/2", 5" DCS-S Drill Collar Slips 3" - 14" Drill Collar Slips 4 1/2" - 11 3/4" (8" & 9") Casing Slips 6 5/8" - 30" WA-C Safety Clamps 3 1/2" - 15 5/8" WA-T Safety Clamps 1 1/8" - 4 1/2" QQP60-89/585 Pneumatic Spider 2 3/8" - 3 1/2" QQP60-89/675 Pneumatic Spider 2 3/8" - 3 1/2" QQP60-127/900 Pneumatic Spider 2 3/8" - 5" Well Repair Manual Tongs 2 3/8" - 10 3/4" B Manual Tongs 2 3/8" - 12 3/4" DB Manual Tongs 3 1/2" - 17" 13 3/8 Casing Manual Tongs 13 3/8" Q13 3/8-30 Casing Manual Tongs 13 3/8" - 30"