St arrett High impact-resistant ABS plastic cases that hold 4 oz of chalk. Each chalk box line includes a 100' of line with a press-to-release feature and is manufactured with 3.5X faster line rewind.The chalk line is secured with a stainless steel hook. Fea tures • High impact resistant ABS plastic case • Holds 4 oz of chalk • 100' press to release line • 3.5x faster line rewind • Stainless steel hook St arrett Exact® High impact-resistant ABS plastic cases with soft touch overmolding that hold 4 oz of chalk. Each chalk line includes a 100' of line with a press-to-release feature and 6X faster line rewind. Available as chalk line only or as a combo pack include one 4 oz bottle of chalk. Fea tures • High impact-resistant case • Rubber plastic soft touch overmoulding • Holds 4 oz of chalk • 100' press to release line and includes 50% stronger line • 6x faster line rewind • Stainless steel hook • Easy feed window chalk lines Cat. No. EDP Size (oz) Feet Meters KCS001-N 30733 4 100 30 Cat. No. EDP Size (oz) Feet Meters Chalk KCX001-N 30731 4 100 30 - KCX001B-N 00152 Blue KCX001R-N 00153 Red KSC001-N KCS001-N 86 C halk New!