threading artifact electrician threading pipe thread guide machine universal wire grip pulling string cord dark line pipe large flat hole threader

single spring flat head (6mm wire)(单弹簧扁头（6mm线）) double spring flat head (6mm wire)(双弹簧扁头（6mm线）) single steel wire flat head 6mm wire(单钢丝扁头6mm线) double steel wire large flat head 6mm(双钢丝大扁头6mm) single spring flat head (5mm wire)(单弹簧扁头（5mm线）) double spring flat head (5mm wire)(双弹簧扁头（5mm线）) double steel wire small flat head 6mm(双钢丝小扁头6mm) pulley head (6mm wire)(滑轮头（6mm线）) double spring small flat head 6mm wire(双弹簧小扁头6mm线)

5 m(5米) 7 m(7米) 10 m(10米) 13 m(13米) 15 m(15米) 20 m(20米) 25 m(25米) 30 m(30米) 40 m(40米) 50 m(50米) 80 m(80米) 100 m(100米)